Science, asked by learnquranwithrimsha, 10 months ago

Friction is a necessary evil.Do you Agree?Justify your answer..

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Answers

Answered by Anonymous

Answer:

friction helps us to walk, write, hold things, lift objects. So it is necessary in our lives. Withoutfriction many essential processes can not be done.

Friction is an evil: (1) Wear and tear of machinery is due to friction. (2) A large amount of power is wasted in overcomingfriction and the efficiency of the machines decrease considerably. (3) Excessivefriction between rotating parts of a machine producers enough heat and causes damage to the machinery.

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