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Which of the following should be used to...

Which of the following should be used to reduce friction on a carrom board ?

A

a lubricating oil

B

a dry lubricant

C

a layer of grease

D

fine white powder

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The correct Answer is:
D
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LAKHMIR SINGH & MANJIT KAUR-FRICTION-EXERCISE
  1. Which of the following statement is incorrect ?

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  2. If the static friction between two surface X and Y is found to be 20 N...

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  3. If the static friction between two surface P and Q is measured to be 5...

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  4. Which of the following will produce the maximum friction ?

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  5. Four similar cars having exactly the same mass are running at the same...

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  6. The weight of an objuct can be measured by a :

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  7. A book is lying on the horizontal table top. If we tilt the table a li...

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  8. A body shape which offers very little resistance to the flow of air ( ...

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  9. Which of the following should be used to reduce friction on a carrom b...

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  10. Which of the following does not have a streamlined shape ?

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  11. The partially decomposed organic matter is formed by a process called ...

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  12. A person has applied some mustard oil on his hands. Which of the follo...

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  13. Ball bearing is a device which usually converts :

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  14. When a pencil cell is released from a certain point on an inclined woo...

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  15. A car moving towards North. What will be the direction of force of fri...

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  16. You spill bucket of soapy water on a marble floor accidently. Would it...

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  17. What kind of friction come into play : when a block of wood kept on ...

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  18. What kind of friction come into play : when a block of wood kept on ...

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  19. What kind of friction come into play : when a block of wood kept on ...

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  20. Explain why, it is easier to drag a mat on floor when nobody is sittin...

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