Physics Force and Motion Online Mcqs Test

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Question 1

1. The acceleration in projectile motion is always directed:

Answer

Horizontally

Answer

Vertically downward

Answer

Tangentially

Question 2

2. If two balls of different masses are dropped from the same height in vacuum, they will:

Answer

Fall at different speeds

Answer

Fall at the same speed

Answer

Reach at different times

Answer

Never reach the ground

Question 3

3. Which of the following shows uniform acceleration?

Answer

A body at rest

Answer

A body in free fall

Answer

A car moving with constant speed

Answer

A ball rolling on a flat surface

Question 4

4. A projectile is fired at an angle of 45°. What is its optimal feature?

Answer

Maximum range

Answer

Minimum height

Answer

Vertical drop

Question 5

5. What is an elastic collision?

Answer

When both momentum and kinetic energy are conserved

Answer

When kinetic energy is not conserved

Answer

When objects merge after collision

Answer

When kinetic energy is converted to heat

Question 6

6. The velocity of a projectile at maximum height is:

Answer

Vertical only

Answer

Both zero and vertical

Answer

Horizontal only

Question 7

7. Which component of velocity remains unchanged in projectile motion?

Answer

Horizontal

Question 8

8. A body is said to be in uniform motion if:

Answer

It covers equal distances in equal intervals of time

Answer

It changes direction only

Answer

Its mass changes

Answer

It accelerates constantly

Question 9

9. What does the slope of a velocity-time graph represent?

Answer

Displacement

Answer

Acceleration

Question 10

10. Which of the following is a vector quantity?

Answer

Displacement

Question 11

11. The unit of impulse is:

Question 12

12. The S.I. unit of force is:

Question 13

13. According to Newton's second law, force is equal to:

Answer

Mass × acceleration

Answer

Mass × velocity

Answer

Momentum × time

Answer

Weight × mass

Question 14

14. What is the unit of momentum?

Question 15

15. What is linear momentum?

Answer

Product of force and time

Answer

Product of acceleration and displacement

Answer

Product of mass and velocity

Answer

Rate of change of velocity

Question 16

16. If a body has zero acceleration, then:

Answer

It must be at rest

Answer

It has uniform acceleration

Answer

It has uniform velocity

Answer

Its velocity is increasing

Question 17

17. Which of the following quantities is conserved in an elastic collision?

Answer

Both momentum and kinetic energy

Answer

Only kinetic energy

Answer

Only momentum

Question 18

18. At the highest point of projectile motion, the vertical velocity is:

Answer

Equal to horizontal velocity

Question 19

19. What is the maximum height in projectile motion?

Answer

The horizontal distance from launch point

Answer

The highest point the projectile reaches

Answer

The total vertical distance traveled

Answer

The point where vertical velocity is maximum

Question 20

20. In projectile motion, what is the horizontal acceleration?

Answer

–9.8 m/s²

Question 21

21. Which law states that "to every action there is an equal and opposite reaction"?

Answer

Newton's first law

Answer

Law of inertia

Answer

Newton's third law

Answer

Newton's second law

Question 22

22. The direction of momentum is always:

Answer

Perpendicular to velocity

Answer

Opposite to force

Answer

Same as velocity

Answer

Same as mass

Question 23

23. In projectile motion, time of flight depends on:

Answer

Air resistance

Answer

Horizontal velocity

Answer

Vertical component of velocity

Answer

Mass of object

Question 24

24. What is the unit of velocity in SI system?

Question 25

25. The momentum of an object is doubled if:

Answer

Mass is halved

Answer

Velocity is halved

Answer

Mass is doubled

Answer

Direction is reversed

Question 26

26. What is a projectile?

Answer

An object moving in a straight line

Answer

An object thrown into space under the influence of gravity

Answer

A rotating object

Answer

A stationary object

Question 27

27. A body in motion continues in motion unless:

Answer

A force is applied

Answer

It has mass

Answer

It rotates

Answer

It becomes weightless

Question 28

28. What does the law of conservation of momentum state?

Answer

Momentum increases with force

Answer

Total momentum before and after interaction remains constant

Answer

Momentum is always zero

Answer

Mass and velocity remain unchanged

Question 29

29. What is horizontal range?

Answer

Vertical displacement

Answer

The horizontal distance covered by a projectile

Answer

The angle of projection

Answer

Total distance in air

Question 30

30. Which of the following is a characteristic of projectile motion?

Answer

Path is parabolic

Answer

Horizontal velocity changes

Answer

Constant vertical velocity

Answer

Vertical acceleration is zero

Question 31

31. Which of Newton’s laws explains the concept of inertia?

Answer

Second law

Answer

Law of gravitation

Question 32

32. What does the area under a velocity-time graph represent?

Answer

Displacement

Answer

Acceleration

Question 33

33. What is acceleration?

Answer

Distance covered per unit time

Answer

Rate of change of velocity

Answer

Rate of change of displacement

Answer

Total path covered

Question 34

34. Which physical quantity changes during projectile motion?

Answer

Horizontal velocity

Answer

Vertical velocity

Question 35

35. What is the product of mass and acceleration?

Question 36

36. In a one-dimensional elastic collision between two equal masses, if one is stationary and the other collides head-on, what happens?

Answer

Both reverse

Answer

Both move forward

Answer

Moving mass stops and stationary mass moves

Question 37

37. If initial velocity is zero and acceleration is constant, displacement is:

Answer

Directly proportional to time

Answer

Inversely proportional to time

Answer

Directly proportional to time²

Question 38

38. A force acts on a 2 kg mass and gives it an acceleration of 3 m/s². The force is:

Question 39

39. What is the shape of a velocity-time graph for an object under uniform acceleration?

Answer

Horizontal line

Answer

Diagonal straight line

Answer

Irregular shape

Answer

Curved line

Question 40

40. Which law explains why passengers move forward when a car suddenly stops?

Answer

Law of conservation of energy

Answer

Newton’s first law

Answer

Newton’s third law

Answer

Newton’s second law

Question 41

41. When a body rebounds with the same speed after hitting a wall, the collision is:

Answer

Stationary

Question 42

42. If the displacement-time graph is a straight line, what does it indicate?

Answer

Uniform velocity

Answer

Variable velocity

Answer

Uniform acceleration

Answer

Object at rest

Question 43

43. When a ball hits the ground and bounces back, which quantity is conserved?

Answer

Momentum (if elastic)

Answer

Energy only

Question 44

44. What does the slope of a displacement-time graph represent?

Answer

Displacement

Answer

Acceleration

Question 45

45. What is displacement?

Answer

The shortest distance between initial and final position

Answer

The rate of change of speed

Answer

The product of mass and velocity

Answer

The total path covered by a body

Question 46

46. What is the acceleration of a projectile in the vertical direction?

Answer

9.8 m/s² downward

Answer

9.8 m/s² upward

Question 47

47. What is variable acceleration?

Answer

Acceleration is zero

Answer

Acceleration changes with time

Answer

Acceleration is constant

Answer

No motion occurs

Question 48

48. An object is moving in a circle at constant speed. Its motion is:

Answer

Accelerated

Answer

Non-uniform

Question 49

49. If a force of 10 N is applied for 2 seconds, the impulse is:

Question 50

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Total Questions:	49
Time Allowed:	25 Minutes
Total Marks:	49
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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Physics Force and Motion Online Mcqs Test

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Important Physics Force and Motion Question and Answer

Physics Motion and Force Practice Test Online With Explanation

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How to Score High in Physics Force and Motion Online Mcqs Test?

Key Preparation Tips:

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Malik Tahir

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