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Is friction a necessary evil? Explain.

Yes, indeed friction is a necessary evil. It’s because of:

  • Without friction between the feet and the ground, it would not have been possible to walk.
  • The tire of the motor cars and cycles are rough to increase the friction.
  • In absence of the friction, the brakes of the motor car won’t work well.

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Question asked by drupadh_thapa
Answered by chimini_chand

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