Physics Practice: Force and Pressure (Mock Test 1 - Basic)
1. A push or a pull exerted on a body is called:
2. The SI unit of force is:
3. Which of the following is an example of a contact force?
4. Force per unit area is known as:
5. The force with which the Earth pulls every object towards its centre is called:
6. The SI unit of pressure is:
7. Frictional force always acts in a direction ________ to the direction of motion.
8. Which force helps us to write on a paper with a pen?
9. The force exerted by a charged body on another charged or uncharged body is:
10. If the area of contact increases, the pressure exerted by a fixed force:
11. A spring balance is used to measure:
12. The pressure exerted by the air around us is called:
13. Which of the following can change the shape of an object?
14. 1 Pascal is equal to:
15. A magnet attracting iron nails is an example of:
16. Why do school bags have broad straps?
17. Friction produces ________ which can damage machinery.
18. The force resulting from the action of muscles is called:
19. Which of these can a force NOT do?
20. Lubricants (like oil or grease) are used to: