Forces and Matter – Online MCQs Test – Physics 9th

1. The length of spring increases as the force increases. This increase in length of spring is known as:

2. Within elastic limit, the displacement produced in the spring is directly proportional to the:

3. In SI system, unit of pressure is:

4. Pressure of a fluid P is proportional to the:

5. Pressure is greater when a large force acts on:

6. It tells us how tightly matter is packed together.

7. When a force is exerted on an area, this is known as:

8. Which of the following material is more elastic?

9. The equation for Hooke’s law may by written as:

10. Pressure = :

11. The given figure shows a container with three spouts. The container is filled with water. Jets of water pour out of the spouts. Why does the jet of water from the bottom spout go farthest out from the container?

12. Which of the following is not a unit of pressure?

13. The pressure exerted by fluids acts in:

14. It is a collection of molecules that are randomly arranged and held together by weak cohesive forces and by forces exerted by the walls of a container.

15. If a metal block applies a force of 20N on an area of 5cm². Find the pressure being applied by the block on the area of ____________

16. 1 atmosphere = :

17. If the material recovers the original dimension, when an external force is removed, this deformation is known as deformation.

18. The spring in brakes and clutches are used:

19. A hydraulic machine works on:

20. The pressure in a fluid is greater with: