Forces and Matter – Online MCQs Test – Physics 9th

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

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

3. 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.

4. In SI system, unit of pressure is:

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

6. Pressure = :

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

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

9. 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?

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

11. A hydraulic machine works on:

12. The spring in brakes and clutches are used:

13. The pressure in a fluid is greater with:

14. 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 ____________

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

16. The pressure exerted by fluids acts in:

17. If a spring stretches easily then its spring constant has ____________

18. Forces on an object can cause:

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

20. 1 Pascal (Pa) = :