Forces and Matter – Online MCQs Test – Physics 9th

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

2. The machines in which force is transmitted by liquids under pressure is known as:

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

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

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

6. Forces on an object can cause:

7. 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.

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

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

10. Which of the following material is more elastic?

11. 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 ____________

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

13. 1 Pascal (Pa) = :

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

15. 1 atmosphere = :

16. Pressure = :

17. A hydraulic machine works on:

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

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

20. What is the unit for the spring constant?