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Class 8 Science Chapter 12 Friction Quiz 2 (25 MCQs)

Quiz Instructions

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1. Friction opposes
2. What type of friction will you see when air or liquid slows an objects movement?
3. True or False:objects that are smooth have LESS friction than objects that are rough
4. Causes of friction
5. When two solid surfaces slide over each other.
6. What does friction produce?
7. What is the unit for FORCE?
8. Sharks have ..... bodies, which help them to move easily in water
9. The shape of an aeroplane is like a
10. Friction produces heat
11. Which of the following is maximum?
12. The force that acts in the opposite direction of motion when two surfaces come in contact.
13. The amount of friction depends on the weight of the objects pressing together.
14. A toy car released with the same initial speed will travel farthest on
15. Sliding friction is when two ..... surfaces slide over one another.
16. What effect does increasing the surface area of contact have on friction?
17. 60 Second is equal to
18. Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
19. Rolling friction is smaller than?
20. Friction is an example of .....
21. Unit for displacement is
22. Frictional force depends on .....
23. If some force is applied to a pencil, it rolls on the floor below it. What type of friction is observed?
24. Friction can be reduced by using
25. Which of the following is an example of friction that is helpful?
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