Dynamics – Online MCQs Test – Physics 9th

1. The momentum depends upon the:

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

3. The acceleration is directly proportional to:

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

5. It is a force acting on an object at rest that resists its ability to start moving.

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

7. Momentum is equal to the:

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

9. Static friction is greater than:

10. 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?

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

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

13. The maximum static friction is known as:

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

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

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

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

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

19. It is the tendency of an object to leave the circular path and fly off in a straight line.

20. The S.I unit of force is: