Chapter 12 Friction – Test
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Question 1 of 26
1. Question
If a box is allowed to push on the rough surface and smooth surface, on which of the surface box will move easily?
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Question 2 of 26
2. Question
In absence of friction ______ is impossible
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Question 3 of 26
3. Question
Friction is possible due to
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Question 4 of 26
4. Question
Sports players use ______ for playing
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Question 5 of 26
5. Question
Which of the following is the type of friction?
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Question 6 of 26
6. Question
Choose the correct option for friction
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Question 7 of 26
7. Question
Complete the following sentence,”Smooth surface has “
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Question 8 of 26
8. Question
Which of the following requires friction?
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Question 9 of 26
9. Question
Choose which of the following is disadvantage of friction
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Question 10 of 26
10. Question
Friction generates _______
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Question 11 of 26
11. Question
Friction is _____
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Question 12 of 26
12. Question
Friction is necessary for
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Question 13 of 26
13. Question
Which of the following is correct option for increasing friction?
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Question 14 of 26
14. Question
Which of the following is not the option for reduction of friction?
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Question 15 of 26
15. Question
When body rolls over another body, the resistance to its motion is called
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Question 16 of 26
16. Question
Wheels attach in travel bags _______ friction
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Question 17 of 26
17. Question
Less amount of friction is required in
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Question 18 of 26
18. Question
Rolling friction is smaller than ______
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Question 19 of 26
19. Question
Working ability of machine can be increased by adding
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Question 20 of 26
20. Question
Which of the following is not a lubricant?
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Question 21 of 26
21. Question
Frictional force exerted by fluid is called
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Question 22 of 26
22. Question
Choose correct reason for the statement, “Submarine in the water has streamline shape”
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Question 23 of 26
23. Question
On which of the factor, the fluid friction does not depend
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Question 24 of 26
24. Question
Force that opposes the motion of object in fluid is called as
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Question 25 of 26
25. Question
Speed of stone decreases when thrown in water. This occurs because of ?
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Question 26 of 26
26. Question
Fluids with more viscosity offers
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