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Question 1 of 30
1. Question
The hinges of creaking doors are oiled to:
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Question 2 of 30
2. Question
A matchstick catches fire when struck against the side of the matchbox because:
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Question 3 of 30
3. Question
Which of the following is true about friction:
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Question 4 of 30
4. Question
Talcum powder should not be spilled on the floor of room because:
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Question 5 of 30
5. Question
The easiest way to move a heavy wooden crate is to:
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Question 6 of 30
6. Question
The two common forces that are acting everywhere around us are:
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Question 7 of 30
7. Question
If we apply the force along the right, the friction acts along the:
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Question 8 of 30
8. Question
Which of the following is true:
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Question 9 of 30
9. Question
Gymnasts apply some coarse substance on their hands to:
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Question 10 of 30
10. Question
In which of the following friction is troublesome:
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Question 11 of 30
11. Question
In which of the following friction is helpful:
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Question 12 of 30
12. Question
Function can be reduced by:
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Question 13 of 30
13. Question
Drag is:
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Question 14 of 30
14. Question
When one body roth over the surface of another body, the resistance to Its motion is called:
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Question 15 of 30
15. Question
Friction the rehuye motion between Io surfaces In contact.
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Question 16 of 30
16. Question
To increase friction:
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Question 17 of 30
17. Question
Which of the following has least friction:
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Question 18 of 30
18. Question
Ball hearing:
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Question 19 of 30
19. Question
Drag is:
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Question 20 of 30
20. Question
The frictional force of smooth surface is:
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Question 21 of 30
21. Question
This type of friction is the most powerful of all types of frictions:
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Question 22 of 30
22. Question
When two objectives are already moving the friction between them is called:
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Question 23 of 30
23. Question
Ball-bearings are used to convert static friction into:
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Question 24 of 30
24. Question
To convert the static, sliding friction into rolling friction, the heavy luggage carriers are attached with at their base.
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Question 25 of 30
25. Question
Four children were asked to arrange forces due to rolling, static and sliding frictions in a decreasing order. Their arrangements are given below – Choose the correct arrangement:
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Question 26 of 30
26. Question
Alida runs her toy car on dry marble floor, wet marble floor, newspaper and towel spread on the floor. The force of friction acting on the car on different surfaces in increasing order will be:
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Question 27 of 30
27. Question
The force of friction between two bodies is:
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Question 28 of 30
28. Question
A coin pushed on a table stops because:
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Question 29 of 30
29. Question
The main cause of wear and tear of machine is:
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Question 30 of 30
30. Question
Ball rolling on the floor stops due to:
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