Dynamics – Online MCQs Test – Physics 9th

1. The momentum depends upon the:

2. Quantity of motion contained in a body is called:

3. The maximum static friction is known as:

4. Momentum is equal to the:

5. Quantity of matter contained in body is called _____________.

6. The property of an object due to which it tends to continue its state of rest or motion is called:

7. The acceleration is directly proportional to:

8. It is resistance to change the state of a body.

9. Friction opposes motion between two bodies in contact because of:

10. It is a self-adjusting force.

11. Newton’s First law of motion is also known as the law of:

12. The S.I unit of force is:

13. It is inversely proportional to mass of body.

14. The S.I unit of momentum is:

15. Law of conservation of momentum defines that the total momentum of a system of two bodies before and after collision___________.

16. When a bus starts moving the passengers feel a:

17. Centrifugal force is always directed:

18. The centripetal force is equal to:

19. It is very useful quantity when it comes to calculate what happens in collusion or explosion

20. These are always parallel to the plane of contact between two surfaces and opposite to the direction of the applied force.