Dynamics – Online MCQs Test – Physics 9th

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

2. 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:

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

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

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

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

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

8. The magnitude of a force can be measured using a:

9. Static friction is greater than:

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

11. The S.I unit of force is:

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

13. Which statement is true for limiting frictional force?

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

15. Centrifugal force is always directed:

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. The momentum depends upon the:

18. Momentum is equal to the:

19. It is a self-adjusting force.

20. The centripetal force is equal to: