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Candidate's Name: Gender Class
MINISTRY OF GENERAL EDUCATION
MUNUNGA DAY SECONDARY SCHOOL LOCAL EXAMINATION
SCIENCE PAPER 1 (PHYSICS) 5124/1
END OF TERM ONE GRADE ELEVEN (11) TEST
Tuesday: 2nd April, 2019. Duration: 2hours
TOTAL MARKS: 50 MARKS
Answer all the questions in this paper
Show your working where necessary in the calculations
No extra paper should be used
Section A [10 marks] Make a cross on the answer of your choice
1. Convert 2GB (giga byte) to standard unit in bytes.
A. 20B
B. 200B
C. 200 000B
D. 2000 000 000B
2. Which of the following quantities changes when a body is accelerating?
A. Mass of the body C. Velocity of the body
B. Weight of the body D. The force acting on the body
3. The diagram below shows a pendulum of length (L) moving from A to C and back again to A.
2003 QA1
If the period of this pendulum is 0.5 seconds, then after 0.75 seconds the bob would be at………
A B C D
4. Give the name of the force which gives a mass of 1Kg an acceleration of 1m/s 2.
A. Weight
B. Friction
C. Newton
D. Centripetal force
5. Choose the description of the velocity and acceleration of a falling body that has reached terminal
velocity:
Velocity Acceleration
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A Increases Is non-zero
B Stays the same Is zero
C Decreases Is non-zero
D Is zero Is zero
6. An 80mm spring stretches 5mm when a force of 15N is applied to it. A force of 45N will cause the
spring to stretch:…….
A. 240 mm C. 210 mm
B. 15 mm D. 20 mm
7. Which one of the following statements is not true about friction?
A. Friction is a force
B. it is the reacting force of the acting force
C. it causes tear and wear
D. it has no units
8. A feather falling freely in air suddenly reaches a terminal velocity, which graph shows the motion of a
feather?
A. C.
B. D.
9. Energy is measured in joules, what is the symbol for the millions of joules?
A. mj C. MJ
B. mJ D. Mj
10. A man pushes a box along an inclined by applying a 300N force as shown below.
2018 QA7
How much work is done by the man in pushing the box?
A. 900J
B. 1200J
C. 1500J
D. 3000J
11. A learner weighing 800N runs up 20 stairs each 20cm high in 4 seconds. How much power is exerted by
the learner?
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A. 300W
B. 400W
C. 600W
D. 800W
12. The table below shows the masses and weights of four objects on different planets. On which planet is
the gravitational field strength the largest?
Weight/N Mass/Kg
A. 2.0 20
B. 4.0 30
C. 6.0 40
D. 8.0 50
13. The diagram shows a uniform plank in equilibrium when two weights are hung on opposite sides of the
pivot.
2018 QA6
What is the size of weight F?
A. 50N
B. 200N
C. 300N
D. 500N
14. The diagram below shows energy transfer through a machine.
Useful output energy
Input energy
MACHINE Wasted energy
The machine is 50% efficient. Which equation is correct?
A. Wasted energy = Useful output energy
B. Useful output energy = Input energy + Wasted energy
C. Wasted energy = Input energy + Useful output energy
D. Input energy = Useful output energy
15. A plumber needs to measure the internal diameter of a water pipe as accurately as possible. The
instrument that be used is the……..
A. Vernier callipers
B. Engineer’s callipers
C. Measuring tape
D. Metre rule
16. Calculate the weight of a 15Kg mass on the earth’s surface. ( Take the gravitational force to be 10N/Kg)
A. 1.5N
B. 5.0N
C. 150.0N
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D. 1 500.0N
17.
B1. The figure below shows how an inclined plane can be used as a simple machine to lift a box of weight
400N by pulling it up a plank 3m long onto a lorry so that it is raised through a vertical height of 1.0m.
a) State the meaning of a simple machine
[1]
b) What is the velocity ratio of the lorry?
Velocity ratio [1]
c) Find the mechanical advantage of the arrangement shown above
Mechanical advantage [1]
d) If the machine has an efficiency of 80%. Find the work done by the force F.
Workdone [1]
e) Suggest one reason to explain why the efficiency is less tha 100%
[1]
[Total: 5 marks]
B3. The figure below shows some of the forces acting on a car of mass 800kg.
a) State the size of total drag force when the car is travelling at constant speed…………………………………
……………………………………………………………………………………………………………………………………………………………
[1]
b) If the driving force is increased to 3200N
(i) Find the resultant force on the car at this instant.
Resultant force…………………………………
[1]
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(ii) Calculate the initial acceleration of the car.
Acceleration………………………………………..
[2]
B4. figureB4.1 below shows an aeroplane flying at 120meters above the ground. A box of mass 1.2Kg is seen
falling off the aeroplane.
(a) Calculate the weight of the box.(take g=10N/Kg).
Weight……………………………..[2]
(b) What would be the kinetic energy of the box just before hitting the ground?
Kinetic Energy…………………..[2]
B5. The figure below shows a pulley which lifts an 8Kgwooden block through a vertical distance of 3 metres
by applying an effort of 40N. (Take g=10N/Kg)
(a) Calculate the mechanical advantage of the pulley system above.
M.A=………………………..[3]
(b) If the pulley wheel above has the velocity ratio(V.R)=3. What is the efficiency of the pulley?
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Efficiency……………………………..[2]
(c) What is the efficiency calculated in (b)(i) less than
100%?.........................................................................
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………….….
[1]
