MCQ WORK SHEET LAWS OF MOTION

 LAWS OF MOTION

1. According to Newton's First Law of Motion, an object at rest tends to stay at rest unless:
   a) An external force acts on it
   b) Its velocity changes
   c) It gains momentum
   d) Its mass increases

2. The SI unit of force is:
   a) Newton (N)
   b) Joule (J)
   c) Kilogram (kg)
   d) Meter per second (m/s)

3. Which of the following is an example of Newton's Third Law of Motion?
   a) A ball rolling down a hill
   b) A rocket launching into space
   c) A car accelerating on a straight road
   d) A book sliding on a table

4. The rate of change of momentum of an object is directly proportional to:
   a) Its acceleration
   b) Its mass
   c) The net external force acting on it
   d) Its velocity

5. Which of the following is the correct formula for Newton's Second Law of Motion?
   a) F = ma
   b) F = mv
   c) F = mg
   d) F = ms

6. The quantity of motion possessed by a moving object is called:
   a) Momentum
   b) Velocity
   c) Acceleration
   d) Force

7. Which of the following statements is true about momentum?
   a) Momentum depends on the object's mass only.
   b) Momentum depends on the object's velocity only.
   c) Momentum depends on both mass and velocity.
   d) Momentum is independent of mass and velocity.

8. According to the Work-Energy Theorem, work done on an object is equal to:
   a) The force applied to the object.
   b) The displacement of the object.
   c) The product of force and displacement.
   d) The change in kinetic energy of the object.

9. The principle of conservation of momentum states that:
   a) Momentum can be created or destroyed.
   b) Momentum is always conserved in any situation.
   c) Momentum is conserved only in elastic collisions.
   d) Momentum is conserved only in inelastic collisions.

10. If a body of mass 2 kg experiences an acceleration of 3 m/s², what is the force acting on it?
    a) 2 N
    b) 3 N
    c) 5 N
    d) 6 N

Answers:

1. a) An external force acts on it
2. a) Newton (N)
3. b) A rocket launching into space
4. c) The net external force acting on it
5. a) F = ma
6. a) Momentum
7. c) Momentum depends on both mass and velocity.
8. c) The product of force and displacement.
9. b) Momentum is always conserved in any situation.
10. d) 6 N