Dynamics – Online MCQs Test – Physics 9th

1. The momentum depends upon the:

2. The centripetal force is equal to:

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

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

5. Weigh of a body can be measured using a spring balance, it differs from place to place because of variation in __________.

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

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

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

9. It is a self-adjusting force.

10. It is easier to push an empty shopping cart than a full one because the filled cart has more mass than the empty one. This can be expressed by:

11. The acceleration is directly proportional to:

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

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

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

15. Static friction is greater than:

16. A man pulls a crate of mass 25 kg across the leveled ground with a horizontal force of 60N. A constant force of friction of 20N acts on the sledge. What is the acceleration of the sledge?

17. It is inversely proportional to mass of body.

18. The force required to move a body along a circular path is called:

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

20. The maximum static friction is known as: