UNIT AND MEASUREMENT

2018
1. The S.I unit for sound energy is
A. Hz
B. cd
C. dB
D. J

2. Which of the following quantities are dimensionally independent?

I. Dielectric constant II. Momentum III. Efficiency IV. Refractive index

A. I and II
B. II, III and IV
C. I, II, III and IV
D. I, III and IV

2017

3.
The diagram above is a micrometer screw gauge. Determine its reading.
A. 2.44mm
B. 2.46mm
C. 2.86mm
D. 2.96mm
4. Which of the following is the dimension for impulse?
A. MLT−1
B. MLT−2
C. MLT
D. ML
5. A chemical balance is used for measuring
A. volume
B. mass
 C. thickness
D. density
2016
6. The dimensions of momentum are
A. MLT
B. ML-1T-1
C. MLT-1
D. ML-1T
2015
7. Which of the following units is derived?
A. kg
B. m
C. K
D. N
2014
8. The S.I unit of power is
A. N
B. Pa
C. W
D. J
2013
9. Which of the following units is equivalent to the watt?
A. kgms-2
B. kgm2s-3
C. kgm2s-2
D. kgm2s-1
2012
10.The derived unit of pressure can be expressed as
A. kgms-2
B. kg m-1s-2
 C. kg m-2s-2
D. kg m-1s2

2011
11. The S.I unit of heat is
A. joule
B. kelvin
C. watt
D. ampere
2010
12.Which of the following instruments is best for measuring the diameter of a
thin constantan wire?
A. callipers
B. metre rule
C. micometer screw guage
D. vernier callipers
2009
13.Which of the following properties of a steel bar can be measured in terms of
the dimension of length only?
A. weight
B. density
C. pressure
D. volume
14.The following properties of a solid are measured on earth i. weight ii. specific
heat capacity iii. density. Which of the properties will hav a different value if
measured in space?
A. i only
B. ii only
C. iii only
D. ii and iii only
 2008
15. Which of the following sets of quantities is fundamental?
A. length, mass and time
B. speed, length and time
C. speed, mass and distance
D. distance, speed and time
16.A very sensitive spring balance was used to determine the weight of an object
at the north pole. When the same spring balance was used to measure the
weight of the same object at the equator, it was found to reduce. The
explanation for this observation is that
A. it is very hot at the equator
B. the spring balance has expanded
C. the acceleration of free fall due to gravity varies with location
D. the mass of the body is reduced
2007
17.Which of the following physical quantities is correctly paired with it's
corresponding S.I unit?
A. density[kg m3]
B. power[Js-1]
C. specific latent heat [J kg-1K-1]
D. Pressure [Nm-1]
2006
18.Which of the following physical quantities are derived? i. Area ii. Thrust iii.
Pressure iv. Mass
A. i, ii, iii and iv
B. i, ii and iii only
C. i, ii and iv only
D. i and iii only
 2005
19.Which of the following statements about a spring balance and/or a chemical
balance is not correct?
A. the chemical balance operates on the principle of moments
B. the spring balance operates on Hooke's law
C. either may be used to measure the weight of a substance
D. the reading of a spring balance changes over the surface of the earth, while
that of the chemical balance remains constant

WAEC MOTION
2023

20. The diagram above illustrates a velocity-time graph. Determine the distance
between X and Y.
A. 80.0m
B. 160.0m
C. 40.0m
D. 10.0m
1. A car, P, with a velocity of 30 m/s is traveling in the same direction as a car, Q,
with a velocity of 20 m/s. The velocity of P relative to Q is
 A.10 ms-1.
B.20 ms-1
C.45 ms-1.
D.50 ms-1

2. Two objects, A and B, accelerate from rest at uniform rates. B accelerates twice as
much as Compared to A, B travels
A. at the same distance as A
B. six times as far.
C. two times as far
D. three times as far
3. A body starts with an initial velocity of 20 ms1 and moves with a uniform
acceleration, a, for 15 seconds. Which of the following equations represents the
distance, S, travelled?

4. The ratio of maximum range to maximum height of a projectile is 4. Determine

the angle of projection.
A.60°
B.30°
C.0°
D.45°
5. The following statements are observations made about a towing vehicle and a
bus that is being towed
I. The force exerted on the bus by the towing vehicle is of the same magnitude as
the force that the bus exerts on the road.
II. The force exerted on the bus by the towing vehicle is of the same magnitude as
the force exerted on the towing vehicle by the bus.
III. The towing vehicle exerts a force on the bus greater than the force exerted by
the bus on the towing vehicle.
IV. The towing vehicle exerts a force on the bus that is the same as the force the
road exerts on the towing vehicle.
 Which of the following statements is/are correct?
A.I, II and III only
B.II, III and IV only
C.II only
D.I only

6. When a light-weight body and a massive body are acted upon by the same force
for the same period of time, the
A.massive body has a higher momentum.
B.momenta of both bodies remain the same.
C.lighter body has a higher momentum.
D.massive body builds up a higher velocity.

7. A ball, P, is released from the roof of a building at the same time as another ball,
Q, is thrown vertically upward from the base of the building. Which of the
following statements is correct?
A
The acceleration of P is equal to that of Q and are in opposite directions.
B
The acceleration of P is equal to that of Q and both are in the same direction.
C
The acceleration of P is greater than that of Q and both are in the same direction.
D
The acceleration of P is less than that of Q and both are in the same direction.

2022
8. The correct relationship between the displacement, s, of a particle initially at rest
in a linear motion and the
time, t, is
A
sɑt1
B
sɑt-2
C
sɑt
D
sɑt2
9. The length of a simple pendulum is increased by a factor of four. By what factor is
its period increased?
A.4
B.2π
C.2
D.0.5π

10. Using venier calipers, which of the following readings gives the correct
measurement for the length of a rod?
A
4.1cm
B
4.1254cm
с
4.125cm
D
4.13cm

11.
Which of the following graph below represent a body moving with uniform
retardation?
A. A
B. B
C. C
D. D
12. The viscosity of a fluid depends on the following factors except the?
A. relative motion between the layers of the fluid
B. nature of the material of the fluid
C. surface area of the fluid in contact
D. normal reaction in the fluid
13. Using venier calipers, which of the following readings gives the correct
measurement for the length of a rod?
 A. 4.1 cm
B. 4.13cm
C. 125 cm
D. 1254 cm

14. The length of a simple pendulum is increased by a factor of four. By what factor is
its period increase?
A. 0.5π
B. 2
C. 2π
D. 4
15. In which of the following situations is friction not useful?
A. Operation of a grinding machine
B. Walking
C. Application of brakes
D. Moving piston in a sleeve

2021
16. A stone is thrown horizontally with initial velocity 15m/s from a tower 20 m
high. How long does it take to reach the ground? [g= 10m/s2]
A. 2s
B. 4s
C. 5s
D. 1s
17. A ball is swung in a horizontal circle of centre O with a constant speed.
acceleration? A.
Away from O
B. Along the Circumference of the circle
C. Toward centre O
D. Along a tangent to the circle
18.Which of the following quantities is not an example of force?
A. Mass
B. Tension
C. Weight
D. Friction
 19. The diagram above illustrates the velocity time graph of a body. Calculate the
distance covered by the body

A. 72m
B. 48m
C. 84m
D. 15m
20. The acceleration of a moving object can be determined from the?
A. slope of its distance-time graph.
B. area under its distance-time graph.
C. slope of its velocity-time graph.
D. area under its velocity-time graph
2020
21. Which of the following statement about viscosity is not true? It
A. depends on areas of the surfaces in contact
B. occurs in fluids
C. is independent of the relative velocity of the layers
D. depends on the tangential force between the layers
22. The quantity of motion of a body is its
A. acceleration
B. displacement
C. momentum
D. velocity
23. Which of the following units is not fundamental?
A. Metre
B. Kilogram
 C. Joule
D. Candela

24. A 60kg man stands on a weighing balance in an elevator. If the elevator

accelerates upwards at 5ms−2, determine the reading of the scale. [g = 10ms−2]
A. 300N
B. 600N
C. 800N
D. 900N
25. Which of the following statements about the motion of a simple pendulum is
true?
A. It is a simple harmonic motion when the angle of displacement is large
B. It passes the equilibrium position with minimum speed
C. It possesses maximum kinetic energy at the extreme positions
D. lt swings faster at the poles than at the equator
26. A motorcycle starting from rest is uniformly accelerated such that its velocity in
10s is 72kmhr−1. What is its acceleration?
A. 108ms2
B. 86ms2
C. 4ms2
D. 2ms2
2019
27. A loaded spring is set in simple harmonic motion. The force that tends to restore
the load to its equilibrium position is
A. adhesive
B. elastic
C. frictional
D. gravitational

28.
The diagram above illustrates an object moving in a circular path at a constant
speed. Which of the arrows indicate the direction of a linear velocity?
A. X
 B. Z
C. W
D. Y

29. The time rate of increase in velocity is called speed

A. force
B. momentum
C. acceleration
D. speed
30. The area under a velocity-time graph represents
A. speed
B. acceleration
C. moment
D. distance
31. Which of the following statements about a moving object is correct?
A. When accelerating, the resultant force acting on it must be equal to zero.
B. There must always be a non-zero resultant force acting on it.
C. At a steady velocity, the resultant force acting on it must be equal to zero
D. At a steady velocity, the air resistance must be equal to zero.
32. An 800 kg car moving at 80 km hr−1 collides with a 1200 kg car moving at 40 km
hr−1 in the same direction. If the cars stick together, calculate their common
velocity.
A. 60 km hr-1
B. 8 km hr-1
C. 40 km hr-1
D. 56 km hr-1
33. The mass of a load is doubled while the force acting on it is halved. The resulting
acceleration of the load is
A. quadrupled
B. quartered
C. halved
D. doubled
34. An electron of mass 9.1 x 10−31 kg moves with a speed of 2.0 x 106 ms−1 round
the nucleus of an atom in a Circular path of radius 6.1 x 10(^{11}\) m. Determine
the angular speed of the electron.
 A. 3.28 x 1016 rad s−1
B. 8.55 x 103 rad s−1
C. 9.11 x 1013 rad s−1
D. 5.22 x 1015 rad s−1

35. An electron of mass 9.1 x 10−31 kg moves with a speed of 2.0 x 106 ms−1 round
the nucleus of an atom in a Circular path of radius 6.1 x 1011 m. Calculate the
centripetal force acting on the electron.
A. 7.7 x 1047 N
B. 6.0 x 10−8N
C. 3.0 x 10−14N
D. 1.3 x 10−26N
2018
36. The property of a body to remain at rest or to continue in uniform motion in a
straight line is called
A. momentum
B. Inertia
C. impulse
D. Energy

37.During a training session, two footballers pass a ball repeatedly between each
other. The 'to and fro' motion of the ball is not simple harmonic because the
I. Acceleration of the ball is not directed towards a fixed point
II. Restoring force is not directed towards the centre
III. Acceleration of the ball is not directly proportional to the displacement
from a fixed point
Which of the statements above are correct?
A. I and III only
B. I and II only
C. II and III only
D. I, II and III
38. A body is projected with an initial velocity u at angle θ to the horizontal. If Rmax is
2
U
the maximum range of the projectile, what does the relation represent?
R max
A. The vertical distance covered
B. Acceleration due to gravity
C. The horizontal distance covered
D. The acceleration of the body
 39. A body of mass m moving around a circle of radius r with a uniform
speed v experiences a centripetal force F. The work done by the centripetal force
on it is
A. Fv
B. zero
C. Fmr
Fr
D.
m
40. The property of a body to remain at rest or to continue in uniform motion in a
straight line is called
A. momentum
B. Inertia
C. impulse
D. Energy
41. A football is kicked at an angle of 45° to the horizontal over a defense line up with
a velocity of 15ms−1. Calculate the magnitude of horizontal velocity of the ball at
its highest point [Neglect friction, g = 10ms-2].
A. 0.0ms-2
B. 5.6ms-2
C. 10.6ms-2
D. 15.0ms-2

42. The bob of a simple pendulum takes 8.0s to complete 10 oscillations. Determine
the frequency of oscillation of the bob.
A. 0.125Hz
B. 1.25Hz
C. 7.50Hz
D. 8.00Hz

2017
43. A body accelerates uniformly from rest at 2ms−2. Calculate its velocity when it
has travelled a distance of 9m.
A. 3.0ms−1
B. 4.5ms−1
 C. 6.0ms−1
D. 18.0ms−1

44. A ball is projected horizontally from the top of a tower. Neglecting air resistance,
which of the following statements about its motion is/are correct?
I. Vertical acceleration on the ball decreases as it falls
II. The vertical force on the ball remains constant
III. The vertical speed of the ball increases as it falls
A. I only
B. II only
C. I and II only
D. II and III only

45.
A body is whirled round a circular path at constant speed. Which of the following
diagrams correctly indicates the direction of the body's velocity (v) and its
acceleration (a)?
A. I
B. II
C. III
D. IV
46.A motorist travelling at 72kmhr-1 had his eyes shut for 0.4s during a hard
sneeze. Calculate the distance covered by him during this time interval.
A. 50.0m
B. 28.8m
C. 18.0m
D. 8.0m
 47.The angle at which a projectile must be fired to cover maximum range is
A. 30°
B. 45°
C. 60°
D. 90°

2016
48.A ball is dropped from the top of a tower. Due to air resistance,it reaches
terminal velocity. Which of the following statement(s) about its motion is/are
correct? i. The acceleration of the ball is zero. ii. The net force on the ball is
zero. iii. The velocity of the ball increases.
A. i only
B. i and ii only
C. ii and iii only
D. i, ii and iii
49.The two person of a body undergoing a uniformly accelerated motion are (10s,
10ms-1) and (30s, 50ms-1). On the velocity-time graph pf the body.
A. 0.5ms-2
B. 2.0ms-2
C. 10.0ms-2
D. 40.0ms-2
50.At a birthday party, the celebrant pops a corked fruit wine. If the cork shoots
out of the bottle at an angle of 40o to the horizontal and travels a horizontal
distance of 4.50m in 1.25s. Calculate the initial speed of the cork.
A. 4.2ms-1
B. 4.7ms-1
C. 5.6ms-1
D. 7.1ms-1
51.When a body is thrown vertically upwards, its velocity at the maximum height
is?
A. maximium
B. zero
C. double its initial value
D. half its initial value
52.
A plank is placed along the path on which a wheel barrow containing sand is
pushed at a construction site to prevent it from sticking as illustrated in the
diagram given. The large area of the plank prevents the wheel barrow from
getting stuck by
A. increasing the reaction on the ground
B. increasing the pressure on the ground
C. decreasing the pressure on the ground
D. decreasing the weight on the ground
2015
53.The slope of a straight-line velocity-time graph represents
A. uniform acceleration
B. uniform speed
C. total distance travelled
D. workdone
54.A body is projected with an initial velocity U at an angle O to the horizontal.
The time taken by it to reach its maximum height is given by the expression

2usinθ
A. g
2 2
U sin θ
B.
2g
usinθ
C. g
usinθ
D. 2 g
 55.A bullet fired vertically upwards reaches a height of 500m. Neglecting air
resistance, calculate the magnitude of the initial velocity of the bullet. [g =
10ms-2]
A. 500.0ms-1
B. 100.0ms-1
C. 70.0ms-1
D. 50.0ms-1
56.In a school compound a girl walks 40km due east from the laboratory to the
staff room to submit her report. Then she returns and walks 30m due north to
her classroom. Determine the magnitude of her displacement from the10m
laboratory
A. 10m
B. 35m
C. 50m
D. 70m
2014
57.An object of mass m moves with a uniform speed v round a circular path of
radius r. If its angular speed is ω, the magnitude of the centripetal force acting
on it is
A. mω2r
2
mv
B.
r
C. mω2r
2
mv
D. 2
r
58.If no net force acts on an object, the object maintains a state of rest or
constant speed in a straight line. The above is a statement of Newton's
A. first law of motion
B. second law of motion
C. third law of motion
D. law of universal gravitation
59.A body is projected vertically upwards with a speed of 10 ms-1 from a point 2m
above the ground. Calculate the total time taken for the body to reach the
ground. [g = 10ms-2]
A. 1.00s
B. 2.00s
C. 2.18s
D. 3.00s
60.A car starts from rest and covers a distance of 40m in 10s. Calculate the
magnitude of its acceleration
A. 0.25ms-2
B. 0.80ms-2
C. 3.20ms-2
D. 4.00ms-2
61.When the linear momentum of a body is constant, the net force acting on it
A. is zero
B. increases
C. decreases
D. remains constant
62.A ball falling through a viscous liquid is acted upon by
A. upthrust only
B. upthrust and the ball's weight
C. the ball's weight and viscous force
D. upthrust, the ball's weight and viscous force
63.The period of a simple pendulum X is 5s. What is the period of a simple
pendulum Y which makes 50 vibrations in the same time it takes X to make 20
vibrations?
A. 12.5s
B. 2.5s
C. 2.0s
D. 1.2s
2013
64.The slope of a linear distance-times graph represents
A. acceleration
B. displacement
C. speed
D. velocity
65.A body of mass 2kg is released from rest on a plane inclined at an angle of
60° to the horizontal. Calculate the acceleration of the body down the plane.[g
= 10ms−2]
A. 3.1ms-2
B. 5.2ms-2
C. 6.0ms-2
D. 8.7ms-2
66.The total area under a force-velocity graph represents
A. energy
B. momentum
C. powe
D. pressure
67. A body of mass 20g projected vertically upwards in vacuum returns to the
point of projection after 1.2s. [g = 10ms−2]. Calculate the speed of projection
A. 1.2ms-1
B. 6.0ms-1
C. 12.0ms-1
D. 0.6ms-1
68. A body of mass 20g projected vertically upwards in vacuum returns to the
point of projection after 1.2s. [g = 10ms-2]. Determine the potential energy of
the body at the maximum height of its motion
A. 0.36J
B. 0.72J
C. 360.00J
D. 720.00J
 69.The maximum displacement on either side of the equilibrium position of an
object in simple harmonic motion represents
A. period
B. amplitude
C. wavelength
D. frequency
70.From Newton's first law of motion,
A. a body can only undergo translational motion
B. once a body remains at rest no force acts on it
C. the net force acting in uniform linear motion is zero
D. a body's inertia is its weight
71.Solid friction, like viscosity is
A. independent of the surface area in contact
B. independent of the relative motion between layers
C. dependent on normal reaction
D. in opposition to motion

72.
A block of wood of mass 5kg is pulled on a platform by a force of 40N as
illustrated in the diagram above. If the frictional force, F experienced by the
block is 12N, calculate the magnitude of the acceleration of the acceleration of
the block
A. 2.4ms-2
B. 5.6ms-2
C. 8.0ms-2
D. 2.4ms-2
2012
73.A bird flies at 10ms−1 for 3s, 15ms−1 for 3s and 20 ms−1 for 4s. Calculate the
bird's average speed
A. 4.5 ms-1
B. 15.0 ms-1
 C. 15.5 ms-1
D. 51.7 ms-1

74. The time of flight for a projectile motion is given by the expression
usinɵ
A. g
usinɵ
B. 2 g
2usinɵ
C. g
usin2 ɵ
D. g
75.An object is dropped from the top of a tower. If it takes 4s for it to reach the
ground, calculate the height of the tower.(g = 10 ms-2, ignore air resistance)
A. 20m
B. 40m
C. 80m
D. 160m
76.A resultant force of magnitude 15N acts on a body of mass 250g. Calculate the
magnitude of the acceleration
A. 0.06 ms-2
B. 3.75ms-2
C. 16.67ms-2
D. 60.00ms-2
77.A girl stands on a scale in a lift. If the reading on the scale is less than her
weight, then the lift is moving
A. upward at uniform speed
B. upward with uniform acceleration
C. downward with uniform speed
D. downward with uniform acceleration
2011
78.The area under a velocity-time graph represents
A. final velocity attained
B. distance covered
C. acceleration
D. workdone
79.Two simple pendulum A and B of equal lengths and of masses 5g and 20g
respectively are located in the same environment. The periods TA and TB of
their respective oscillations are related by the equations
A. TA = 4TB
B. TA = 14TB
C. TA = TB
D. TA = 5TB
80.An object of mass 5.0 kg moves with a velocity of 10ms-1. Calculate its
momentum.
A. 50.0 kgms-1
B. 15.0 kgms-1
C. 2.0 kgms-1
D. 0.5 kgms-1
81.A coin is pushed from the edge of a laboratory bench with a horizontal velocity
of 15.0 ms-1. If the height of the bench from the floor is 1.5m, calculate the
distance from the foot of the bench to the point of impact with the floor [g =
10ms-2]
A. 0.75m
B. 2.25m
C. 8.22m
D. 15.00m
82.The correct relationship between "G" and "g" in a gravitational field is given by
the equation (Where the symbols have their usual meanings)
GM
A. g = R
GM
B. g = 2
R
2
GM
C. g =
R
2
GM
D. g = 2
R
83.The density P of a spherical ball of diameter d and mass m is given by
3m
A. P = 3
4πd
B. p = 4πmd3
6m
C. p = 3
πd
3m
D. p = 3
2π d

2010
84. Two cars X and Y travelling in opposite directions along the same high way at
uniform velocities 110 kmh-1 and 90kmh-1 respectively pass each other at a
certain point. The velocity of X relative to Y at the time they pass each other is
A. 200 kmh-1
B. 100 kmh-1
C. 40 kmh-1
D. 20 kmh-1
85.The average speed of an object is determined by dividing the sum of its initial
and final speeds by two only when the acceleration is
A. changing
B. uniform
C. increasing
D. decreasing
86.A body is projected horizonatlly from the top of a cliff 45m above the ground.
if the body lands at a distance 30m from the foot of the cliff, calculate the
speed of projection. [g = 10ms-2]
A. 10ms-1
B. 15ms-1
C. 20ms-1
D. 30ms-1
87.simple harmonic oscillator has a period of 0.02s and amplitude of 0.25m.
Calculate the speed in ms-1 at the centre of the oscillation
A. 125π
B. 25.00π
 C. 100.00 π
D. 400.00π
88.Which of the following statements about static friction is correct? It
A. is independent of the nature of the surface in contact
B. depends on the area of surface in contact
C. depends on the relative motion between the surface in contact
D. depends on the weight of the moving body

89.Which of the following statements about moving particle is correct?

A. if the resultant force acting on the particle is zero, then it is in dynamic
equillibrium
B. If the resultant force acting on the acting on the particle is greater than zero,
then it is moving with a uniform velocity
C. the rate of change of its momentum with time tales place in a direction
opposite to that of its motion
D. the particle falling freely covers equal distances in equal time interval
90.The type of motion which a cylindrical drum rolling down an inclined plane
undergoes are
A. Circular and translational
B. Rectilinear and circular
C. Rotational and circular
D. Rotational and translational
91.A moving body of mass 25.0kg undergoes a uniform retardation of 20.0ms-2.
Calculate the magnitude of the retardating force
A. 1.25N
B. 8.00N
C. 45.00N
D. 500.00N
2009

92.Which of the following types of types of motion will be produced when a pair
of equal and opposite non-collinear parallel forces acts on a body?
A. vibrational motion
 B. random motion
C. translational motion
D. rotational motion

93.A body moving in a circle at constant speed has i. a velocity tangent to the
circle ii. a constant kinetic energy ii. an acceleration directed towards the
circmference of the circle ii. an acceleration directed towards the
circumference of the circle. Which of the statements above are correct?
A. i and ii only
B. ii and iii
C. ii and iii only
D. i and iii only
94.A moving body accelerates when it
A. changes its direction at constant speed
B. mountains a constant linear speed
C. covers equal distances in equal times in a straight line
D. is acted upon by balanced forces
95.A car moves with a speed of 30ms-1. Calculate the distance travelled in 30s
A. 450m
B. 30m
C. 60m
D. 900m
96.A body of mass 5kg movimg with a velocity of 30ms-1 due east is suddenly hit
by another body and changes its velocity to 50ms-1 in the same direction.
Calculate the magnitude of the impulse received.
A. 100Ns
B. 150Ns
C. 250Ns
D. 400Ns
97.A satellite in circular motion around the earth does not have
A. a gravitational force acting on it
 B. a uniform velocity
C. an acceleration
D. a centripetal force acting on it

98.The period of a simple pendulum of length 80.0cm was found to have doubled
when the length of the pendulum was increased by X. Calculate X.
A. 26.7cm
B. 40.0cm
C. 160.0cm
D. 240.0cm
2008
99.Which of the following is/are in random motion? i. Pollen grains in water ii.
The molecules of hydrogen gas ii. Fine chalk particles floating in air
A. i and ii only
B. i and iii only
C. ii and iii only
D. i, ii and iii

100.
The diagram above represents the displacement-time graph of the motion of
an object thrown upwards. The velocity of the object at the point P is
A. maximum
B. uniform
C. zero
D. terminal
101. The mass attached to a string is moving in a circular path. If the speed is
doubled, the tension in the string will be
A. doubled
 B. halved
C. four times as great
D. one-fourth as much

102. An object of mass 2kg moving with a velocity 3ms-11 collides head-on
with another object of mass 1kg moving in the opposite direction with a
velocity of 4ms-1. If the objects stick together after collision, calculate their
common speed.
A. 0.60ms-1
B. 0.67ms-1
C. 2.00ms-1
D. 3.33-1
103. An object of mass 0.25kg moves at a height h above the ground with a
speed of 4ms-1, if its mechanical energy at this height is 12 J, determine the
value of h. [g = 10ms-1]
A. 0.8m
B. 4.0m
C. 4.8m
D. 5.6m
2007
104. A mass of mass m, experiences a viscous drag, F and an upthrust, U as
he descends towards the ground at a steady velocity, Using a parachute. If the
acceleration of free fall is g, which of the following expressions is correct?
A. FU = mg
B. U + F - mg = 0
C. U - F = mg
D. F - U - mg = 0
105. A body moving at a constant speed accelerates when it is in
A. rectilinear motion
B. translational motion
C. circular motion
D. vibrational motion
106. An object of mass 2 kg moves with a uniform speed of 10ms-1 for 5s
along an straight path. Determine the magnitude of its acceleration
A. 0 ms-2
B. 1 ms-2
C. 3 ms-2
D. 4 ms-2
107. The team rectilinear acceleration means the rate of increase of

A. velocity along a circular path in a unit time

B. distance along a rectangular path in a unit time
C. displacement along a straight-line path in a unit time
D. velocity along a straight-line path in a unit time
108. A body moving with an initial velocity U accelerates until it attains a
velocity of V within a time t. The distance, s covered by the body is given by
the expressions
v−u
A. s = ( 2 )t
v +2 u
B. s = ( 2 )t
v +u
C. s = ( 2 )t
2 v +u
D. s = ( 2 )t
109. A body accelerates uniformly from rest at 2ms-2. Calculate the
magnitude of its velocity after travelling 9m
A. 4.5 ms-1
B. 6.0ms-1
C. 18.0-1
D. 36.0-1
110. A block of mass 4.0kg causes a spiral spring to extend by 0.16m from its
unstretched position. The block is removed and another body of mass 0.50kg
is hung from the same spiral spring. If the spring is then stretched and
released, what is the angular frequency of the subsequent motion? [g = 10
ms -2]
A. 10√ 5rads-1
B. 5√ 2rads-1
 C. 5 rads-1
D. √ 5rads-1
111. An external force of magnitude 100N acts on a particle of mass 0.15kg
for 0.03s. Calculate the change in the speed of the particle
A. 50ms-1
B. 25ms-1
C. 20ms-1
D. 5ms-1
2006

112. An object is said to undergo oscillatory motion when it moves

A. in an erratic manner
B. to and fro about a fixed point
C. in a circular path
D. along a continuous path from the starting point
113. A body is rotating in a horizontal circle of radius 2.5m with an angular
speed of 5 rad s-1. Calculate the magnitude of the radial acceleration of the
body
A. 62.50ms-2
B. 31.25ms-2
C. 12.50ms-2
D. 10.00ms-2
114. A moving car of mass 800 kg experiences a frictional force of 200N. If it
accelerates 2 ms-2, calculate the magnitude of the force applied to the car
A. 600N
B. 1000N
C. 1600N
D. 1800N
115. Uniform speed occurs when there is equal change of
A. distance in equal times
B. displacement in equal times
C. velocity in equal times
D. acceleration in equal times
116. A car accelerates uniformly from rest at 5 ms-2. Determine its speed
after 10s
 A. 50.0ms-1
B. 25.0ms-1
C. 2.0ms-1
D. 0.5ms-1

117. which of the following statements about simple harmonic motion is

correct? The
A. total mechanical energy is always conserved
B. linear acceleration is directed to any variable point
C. linear acceleration varies inversely with displacement
D. period of oscillation varies linearly as acceleration due to gravity
118. A force acting on a body causes a change in the momentum of a body
from 12 kg ms-1 to 16kg ms-1 in 0.25. Calculate the magnitude of the impulse
A. 28.0Ns
B. 20.0Ns
C. 4.0Ns
D. 0.8Ns

119.
The diagram above shows the speed time graph of a car. If the car covered a
total distance of 66m in 25s, calculates it’s maximum speed.
A. 20ms-1
B. 15ms-1
C. 30ms-1
D. 25ms-1
2005
120. Which of the following phenomena is the practical evidence for the
existence of the continual motion of molecules?
A. Translational motion
 B. rotational motion
C. brownian motion
D. oscillatory motion

121. The friction which exists between two layers of liquid in relative motion
is called
A. capillarity
B. surface tension
C. viscosity
D. cohension
122. Which of the following type of motion does a body undergo when acted
upon by a couple?
A. vibrational
B. translational
C. rotational
D. random
123. A body starts from rest and accelerates uniformly at 5ms^-2 until it
attains a velocity of 25ms-1. Calculate the time taken to attain this velocity
A. 2.5s
B. 5.0s
C. 10.0s
D. 125.0s
124. Which of the following about an object performing simple harmonic
motion is correct? Its acceleration
A. is maximum at the extreme ends
B. is constant and directed towards a fixed point
C. is zero when it is displayed from the equilibrum position
D. varies linearly with the displacement from a fixed point and is directed
towards the fixed point
125. A body of mass 5kg moving with a velocity of 10ms-1 collides with a
stationary body of mass 6kg. If the two bodies stick together and move in the
same direction after their collision, calculate their common velocity
A. 4.55ms-1
B. 12.00ms-1
 C. 30.00ms-1
D. 50.00ms-1

2004
126. The speed of an object in rectilinear motion can be determine from the
A. area under a velocity-time graph
B. area under a distance-time graph
C. slope of a distance-time graph
D. slope of a velocity-time graph
127. A body is said to be moving with uniform acceleration if it experiences
equal
A. increase in velocity at equal time intervals
B. decreases in velocity at equal time intervals
C. increases in speed at equal time intervals
D. decreases in speed at equal time intervals
128. A body is dropped from a certain height above the ground level, falls
with uniform
A. speed
B. velocity
C. acceleration
D. retardation
129. A body of mass 8kg moving with a speed of 30ms-1 is brought to rest in
2.5s by a constant retarding force. Calculate the magnitude of the force
A. 240N
B. 96N
C. 20N
D. 9N
130. A force acting on a body causes a change in the momentum of the body
from 12kg ms-1 to 16kg ms-1 in 0.2s. calculate the magnitude of the force

A. 140.0N
B. 20.0N
 C. 4.0N
D. 0.8N

131. A ball bearing is projected vertically upwards from the ground with a
velocity of 15ms-1. Calculate the time taken by the ball to return to the ground
[g = 10ms-1]
A. 1.5s
B. 3.0s
C. 5.0s
D. 7.5s
132. A loaded spring performs simple harmonic motion with an amplitude of
5cm. If the maximum acceleration of the load is 20cm s-1, calculate the angular
frequency of the motion
A. 2 rad s-1
B. 4 rad s-1
C. 5 rad s-1
D. 10 rad s-1
2003
133. A force acts on a body for 0.5s changing its momentum from
16.0kg ms-1 to 21.0kgms-1, calculate the magnitude of the force
A. 42.0N
B. 37.0N
C. 32.0N
D. 10.0N
134. A moving object is said to have a uniform acceleration if its
A. displacement decreases at a constant rate
B. speed is directly proportional with time
C. velocity increases by equal amount in equal time intervals
D. velocity varies inversely with time
135. A ball f mass 5.0kg hits a smooth vertical wall normally with a speed of
-1
2ms . Determine the magnitude of the resulting impulse
A. 2.0kgms-1
B. 10.0kgms-1
 C. 5.0kgms-1
D. 2.5kgms-1

136. The period of an oscillatory motion is defined as the

A. average of the time used in completing different numbers of oscillations

B. time to complete a number of oscillations
C. time to complete one oscillation
D. time taken to move from one extreme position to another

137. A net force of 15N acts upon a body of mass 3kg for 5s. Calculate the
change in the speed of the body.
A. 25.0ms-1
B. 9.0 ms-1
C. 2.5 ms-1
D. 1.0ms-1
2002
138. A boy travels 8 km eastward to a point B and then 6km northward to
another point C. Determine the difference between the magnitude of
displacement of the boy and distance travelled by him
A. 2.0km
B. 4.0km
C. 10.0km
D. 13.0km
139. The magnitude of the force required to make an object of mass, m
move with speed, v in a circular of radius r is given by the expression
MR
A. V
2
MR
B.
V
 2
MV
C.
R
MV
D. 2
R

140. A man was moving round a circular path continuously for 4 minutes and
covered the following distances in the times stated :
Distance (in metres) 200, 400, 600, 300
Time(in minutes) : 1, 2, 3, 4 respectively. Which of the following statements is
correct about the motion of the man?
A. the man was moving without uniform velocity
B. the speed was changing constantly
C. the velocity was uniform
D. it was an instance of motion in which both speed and velocity are the same
141. A car takes off from rest and covers a distance of 80m on a straight road
in 10s. Calculate the magnitude of its acceleration
A. 1.25ms-2
B. 1.60ms-2
C. 4.00ms-2
D. 8.00ms-2
142. An object is released from rest at a height of 25m. Calculate the time it
takes to fall to the ground. [g = 10ms-2]

A. 25.00s
B. 10.00s
C. 2.50s
D. 2.24s
2001
143. A spring balance,which is suspended from the roof of a lift, carries a
mass of 1kg at its free end. If the lift accelerates upwards at 2.5ms-2, determine
the reading on the spring balance. [g = 10ms-2]

A. 24.0N
 B. 12.5N
C. 7.5N
D. 4.0N

144. Which of the following equations represents the distance x, travelled by

a body moving on a straight road with a constant speed? [The other symbol
have their usual meanings]

1
A. x = Ut + 2 t2
B. x = Ut
2 2
v −u
C. x =
2a
1
D. x = - 2 at2
145. The amplitude of the motion of a body performing simple harmonic
motion decreases with time because
A. friction force dissipate the energy of motion
B. the frequency of oscillation varies with time
C. the period of oscillation varies with time
D. energy is supplied by some external agency
146. The amplitude of a particle executing simple harmonic motion in 5cm
while its angular frequency is 10 rad s-1. calculate the magnitude of the
maximum acceleration of the particle
A. 0.25ms-2
B. 0.50ms-2
C. 2.00ms-2
D. 5.00ms-2
2000
147. The driver of a car moving with uniform speed of 40ms-1 observes a
truck approaching from the opposite direction with a speed of 20ms-1.
Calculate the speed of the car relative to that of the truck
A. .5ms-1
B. 2.0ms-1
 C. 20.0ms-1
D. 60.0ms-1
148. A bus travelling at 15ms-1 accelerates uniformly at 4ms-2, what is the
distance covered in 10s?
A. 150m
B. 170m
C. 350m
D. 600m
149. The period of oscillation pf a particle executing simple harmonic motion
is 4π seconds. If the amplitude of oscillation is 3.0m. Calculate its period
A. 1.5ms-1
B. 3.0ms-1
C. 4.5ms-1
D. 6.0ms-1
150. The bob of a simple pendulum takes 0.25s to swing from its equilibrium
position to one extreme end. Calculate its period
A. 0.25s
B. 0.50s
C. 0.75s
D. 1.00s
151. An inelastic collision takes place between ball of known masses, just
before the collision one of the ball is moving with a known velocity while the
other is stationary. Which of the following physical quantities can be
determined from the information given?
A. speed of each of the ball after collision
B. kinetic energy of each ball after collision
C. total momentum of the ball after collision
D. total momentum of the two ball after collision
E. mutual forces excerted by the balls
 152.
The diagram above represents a set of vernier calliper , the reading on the
instrument is
A. 5.22cm
B. 5.24cm
C. 5.25cm
D. 5.26cm

153. A ball bearing is gently released from rest and allowed to fall through a
viscous fluid. Which of the following statements about the motion is correct?
A. its acceleration decreases before terminal velocity is attained
B. when terminal velocity is attained the acceleration of the fluid becomes
zero
C. its velocity increases before terminal velocity is attained
D. there is no resultant force on the ball before it attains terminal velocity
1999
154. A net force of magnitude 0.6 N acts on a body of mass 40 g, initially at
rest. Calculate the magnitude of resulting acceleration
A.90 ms-2
B.60 ms-2
C.30 ms-2
D.15 ms-2
155. A body weighing 100 N moves with a speed of 5 ms1 in a horizontal
circular path of radius 5 m. Calculate the magnitude of the centripetal force
acting on the body.
[g = 10 ms-2]
A.10 N
 B.50 N
C.75 N
D.100 N
156. A motor-cyclist, passing a road junction, moves due west for 8 s at a
uniform speed of 5 ms1. He then moves due north for another 6 s with the
same speed. At the end of the 6 s his displacement from the road junction is
50 m in the direction of
A.N53°E
B.N37°E
C.N53°W
D.N37°W

157. The time rate of change of displacement is known as

A. speed
B. velocity
C. impulse
D. acceleration

158. A pendulum bob executing simple harmonic motion has 2 cm and 12 Hz

as amplitude and frequency respectively. Calculate the period of the motion.
A.2.00 s
B.0.83 s
C.0.08 s
D.0.06 s

1998
159. A piece of stone attached to one end pf string is whirled round in a
horizontal circle. When the string is suddenly cut, the stone will
A. move towards te centre of the circle
B. stop moving immediately
C. move along a circular path of smaller radius
D. fly off in a direction tangential to the circular path
E. acquire greater centripetal force
160. a ball of mass 5.0kg hits a smooth vertical wall normally with a speed of
-1
2m and rebounds with the same speed. Determine the impulse experienced
by the ball
A. 20.0kgm-1
B. 5.0kgm-1
C. 1.3kgm-1
D. 0.0kgm-1
E. 10.0kgm-1

161. An object is protected with a velocity of 100m-1 at an angle of 60o to the

vertical. Calculate the time taken by the object to reach the highest point (Take
g as 10ms-2

A. 5.0s
B. 8.7s
C. 10.0s
D. 17.3s
E. 20.0s