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Question

Friction in a moving parts of a machine can be reduced by using ___________.


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Solution

Methods to reduce friction:

  1. Lubricating the machine parts reduce friction.
  2. Polishing surfaces of the bodies which are in contact reduces friction.
  3. Ball bearings are used in the rotating parts of the machines to reduce friction.

Hence Friction in a moving parts of a machine can be reduced by using lubricants.


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