Question

Method of reducing friction​

Answer 1

Answer:

Friction is reduced by adopting the following methods -

• By polishing the surfaces

• By applying oil or grease on the surfaces ( or by lubrication)

• By sprinkling a soft, slippery fine powder on the surfaces as we do on our carrom board.

• By using wheels, ball-bearings or roller-bearings in machines.

• By streamlining the body of an object like those of aero planes, rockets, ships, etc. Birds and fish also have streamlined bodies.

Explanation:

Answer 2

Answer:

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