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Lubricants are used toforce of friction....

Lubricants are used to_____force of friction.

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  1. Co-efficient of kinetic friction depends on theof the body.

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  2. Force offriction does not depend on the -area of contact.

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  3. Lubricants are used toforce of friction.

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  4. The co-efficient of static friction is equal to where theta is angle o...

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  5. Force of friction arises due toof the irregularities of the two surfa...

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  6. Force of static frictionon the nature and condition of the two surface...

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  7. Differentiate static and kinetic friction.

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  8. Distinguish between sliding and rolling friction.

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  9. Name different types of friction.

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  10. State the laws of friction that leads to the definition of the co-effi...

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  11. Define angle of friction.

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  12. Define angle of friction and angle of repose and show that they are eq...

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  13. How friction is reduced ?

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  14. How does a lubricant help in decreasing friction ?

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  15. How does friction depend upon the normal reaction ? How it can be expe...

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  16. Discuss the statement “friction is a necessary evil”.

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  17. Why it is easier to roll a barrel than to push it along the road ?

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  18. A body of mass 5 kg is just in .motion along a horizontal plane. If th...

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  19. What is kinetic friction ?

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  20. Explain what is meant by co-efficient of friction and angle of frictio...

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