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What is the cause of friction ? Explain ...

What is the cause of friction ? Explain with the help of labelled diagram.

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LAKHMIR SINGH & MANJIT KAUR-FRICTION-EXERCISE
  1. Name two common fluids.

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  2. Define friction. What are the facrtors affecting friction ? Explain wi...

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  3. What is the cause of friction ? Explain with the help of labelled diag...

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  4. Give a example to show that friction depends on the nature of two surf...

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  5. What is the difference between static friction and sliding friction ? ...

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  6. How can a very heavy machine be moved conveniently from one place to a...

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  7. What is drag ?

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  8. The coordinates of A and B are

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  9. How can you reduce the drag on something moving through the air ?

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  10. What is meant by 'streamlined shape' ?

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  11. The fast moving vehicles are given streamline shape . Why ?

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  12. A boy runs his toy can on dry marble floor, wet marble floor, newspape...

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  13. Four children were asked to arrange forces due to rolling, static and ...

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  14. A big wooden box is being pushed on the ground from east to west direc...

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  15. A spring balance can be used to measure : A.Mass of an object B.Fo...

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  16. The friction between two surface does not depend on one of the followi...

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  17. If the sliding friction between two surface in found to be 8 N, then t...

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  18. Which of the following is not an advantage of friction ?

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  19. Which of the following statement is incorrect ?

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

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