## Thursday, June 13, 2024

### Laws of Motion in Physics Objective MCQ - Easy Questions Quiz 1

1. Newton's first law of motion is also known as the law of:

Acceleration
Inertia
Action and Reaction
Momentum
2. The unit of force in the SI system is:
Newton
Joule
Kilogram
Pascal
3. Which of the following is an example of Newton's third law of motion?
A book resting on a table
A rocket launch
A ball rolling down a hill
A car accelerating
4. The momentum of an object is the product of its:
Mass and Velocity
Mass and Acceleration
Force and Time
Force and Distance
5. The rate of change of momentum of an object is equal to the:
Mass of the object
Velocity of the object
Force acting on the object
Displacement of the object
6. If no external force acts on a system of particles, then the total momentum of the system:
Remains constant
Becomes zero
Increases
Decreases
7. The second law of motion gives the measure of:
Energy
Momentum
Inertia
Force
8. The action and reaction forces referred to in Newton's third law:
Act on the same body
Act on different bodies
Are equal in magnitude but opposite in direction
Both b and c
9. A body of mass m moving with velocity v strikes a wall and comes to rest. The change in momentum is:
mv
-mv
2mv
-2mv
10. Which of the following statements is true about inertial frames of reference?
They are accelerating
They are in uniform motion
They are at rest
Both b and c

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