Question

Give advantage and disadvantage of heat produced by friction.

Answer 1

Advantages of friction producing heat  is :-

1. It helps us keep warm by rubbing our palms together.

Disadvantage is:-

1. Components of machines are worn due to heat produced due to friction between machines.

Answer 2

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Friction causes the moving parts in machinery and automobiles to heat up this results in wastage of energy and fuel. Fiction also causes wear and Tear of the moving parts .