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Sheet Phy Revion

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0% found this document useful (0 votes)
14 views7 pages

Sheet Phy Revion

mlhoifhgkhjetg;ljsd;'ohtjwlkjthklrhtjth;k'ljrh'irdtgkjhsdjhgjhgjhk;hklgukgglhguigkhfvukglkhfhkbjhkfkbguifjyjmhvkuyhfvghc hjvfkuyfhvggc hgk, kgkiuguyhkuyg gv jhvhvuklbuyvcghgwfgsdfh

Uploaded by

mostmoh364
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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You are on page 1/ 7

1. What is the unit of pressure?

A) Newton B) Pascal C) Joule


D) Watt
2. What happens to pressure when the surface area is increased?
A) Pressure increases B) Pressure decreases C) Pressure remains
the same D) Pressure doubles
3. In which state of matter are particles closest together?
A) Solid B) Liquid C) Gas D) Plasma
4. What type of machine uses the incompressibility of liquids to
produce large forces?
A) Electric motor B) Hydraulic machine C) Wind turbine
D) Solar panel
5. What is diffusion?
A) Movement of particles from low to high concentration
B) Process of particles spreading evenly throughout a space
C) Compression of gas particles
D) Increase in atmospheric pressure
6. What unit is used to measure pressure?
A) Newton B) Pascal C) Joule D) Watt
7. Which of the following is true about liquids?
A) They are compressible. B) They can be easily squashed.
C) They are incompressible. D They have large gaps between particles.
8. What happens to pressure in water as you go deeper?
A) It stays the same. B) It decreases.
C) It increases. D) It fluctuates.
9. What type of force is used in hydraulic machines?
A) Magnetic B) Gravitational
C) Electrical D) Liquid-based
10. The process where particles spread from high concentration to
low concentration is
called:
A) Expansion B) Compression C) Diffusion D) Conduction
11. What is the unit used to measure force?
a) Kilograms b) Meters c) Newtons d) Joules
12. Which force acts downwards towards the center of the Earth?
a) Magnetic force b) Gravitational force
c) Electrostatic force d) Frictional force
13. What happens to an object when balanced forces are acting on it?
a) It accelerates b) It stays still
c) It changes direction d) It gains speed

14. When two forces act in the same direction, the resultant force is:
a) The difference between the two forces
b) The sum of the two forces c) Zero d) Negative
15. What type of force is exerted by a magnet?
a) Gravitational b) Magnetic
c) Frictional d) Electrostatic

16. What unit is commonly used to measure speed in the metric system?

a) Miles per hour b) Feet per second


c) Kilometers per hour d) Inches per minute

17. If a runner travels 200 meters in 40 seconds, what is their average speed?

a) 2 m/s b) 4 m/s c) 5 m/s d) 8 m/s


18. On a distance-time graph, what does a flat line indicate?
a) Fast speed b) Slow speed
c) Constant speed d) No movement

19. Which of the following factors affect speed?


a) Color of the object b) The angle of the slope
c) The object's shape d) The object's temperature

20.How is average speed different from instantaneous speed?


a) Average speed measures speed at one point in time.
b) Average speed is the speed over a short distance.
c) Average speed is the total distance over total time.
d) Average speed is always faster.
21. If a car travels 200 kilometers in 4 hours, what is its average speed?

a. 40 km/h b. 50 km/h
c. 60 km/h d. 70 km/h
22.Which of the following factors does NOT affect the speed of an object?

a. The slope of the surface b. The color of the object


c. The surface friction d. The object's mass
23.What does a horizontal line on a distance-time graph indicate?
a. Increasing speed b. Decreasing speed
c. Constant speed d. No movement
24.How does increasing the angle of a slope affect speed?
a. Increases speed b. Decreases speed
c. Has no effect d. Stops movement
25.What instrument is commonly used to measure time in speed calculations?

a. Thermometer b. Stopwatch c. Barometer d. Microscope


26.If the surface over which an object travels is smooth, how does it affect
speed?
a. Decreases speed due to less friction b. Increases speed due to less friction

c. Has no effect on speed d. Stops the object completely


27.How is average speed defined?
a. Total distance divided by total speed b. Total time divided by total distance
c. Total distance divided by total time d. Total speed divided by total time
28. How is the size of a force measured?
a. In kilograms (kg) b. In meters (m) c. In newtons (N) d. In liters (L)
29.What happens when forces on an object are balanced?
a. The object will move indefinitely b. The object will change shape
c. The object will remain stationary d. The object will change color
30. How does friction affect motion?
a. Speeds up motion b. Slows down motion
c. Has no effect on motion d. Changes the color of objects
31. What happens when an object is in equilibrium?
a. Forces are unbalanced b. Forces are balanced
c. Object changes color d. Object heats up
32.What does the principle of moments state?
a. Sum of clockwise moments equals sum of anticlockwise moments
b. Sum of clockwise moments is greater than sum of anticlockwise moments

c. Sum of forces equals zero d. Sum of forces is always positive


33.What happens to gas particles when they are compressed in a closed space?

a. They slow down b. They move further apart


c. They are pushed closer together d. They disappear
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34. Pressure is measured in ………………….

35. Increasing the ………………… area reduces pressure.


36. Liquids are considered ………………… because their particles are very
close together.
37. Gases can be ………………… because of the large gaps between
particles.
38. ………………… is the process where particles spread from high to low
concentration.

39. Decreasing the surface area ………………… the pressure exerted.

40. In gases, particles are …………………, making them compressible.

41. Diffusion occurs from an area of …….. concentration to…………………


concentration.
42. Hydraulic machines use ………………… to produce large forces.

43. A force is a ………………… or a ………………….

44. Forces are measured in ………………….

45. The force of gravity pulls objects towards the ………………… of the Earth.
46. ………………… force is the force that opposes motion between two
surfaces in contact.

47. When forces acting on an object are equal and opposite, they are
called ………………… forces.

48. Speed is defined as the distance moved by an object per unit


of ………………….

49. The average speed of an object is the total ………………… divided by


the total time taken.

50. A car moving at a steady speed will have a ………………… line on a


distance-time graph.

51. A steeper slope means that there is more …….……… pulling against you.

52. A smooth surface has less ………………… compared to a rough,


uneven surf
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