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Friction is a evil....

Friction is a _____ evil.

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The co-efficient of static friction is equal to_____ where theta is angle of friction.

Friction is necessary evil, comment. Mention some methods of reducing faction.

Comment on the statement ‘friction is necessary evil’.

Co-efficient of rolling friction is_____than that of sliding friction.

Force of friction arises due to_____of the irregularities of the two surfaces in contact.

Discuss the statement “friction is a necessary evil”.

Who said that 'transpiration is a necessary evil'

If the coefficient of friction is √3 , the angle of friction:

The ratio between force of limiting friction to the normal reaction gives_____.

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  1. The ratio between force of limiting friction to the normal reaction gi...

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  2. Coefficient of friction between two surfaces in contact is always less...

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  3. Friction is a evil.

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  4. Co-efficient of rolling friction isthan that of sliding friction.

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

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

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  7. Lubricants are used toforce of friction.

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

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

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

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  11. Differentiate static and kinetic friction.

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  12. Distinguish between sliding and rolling friction.

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  13. Name different types of friction.

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

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  15. Define angle of friction.

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

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  17. How friction is reduced ?

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  18. How does a lubricant help in decreasing friction ?

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

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

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