Question

Why does heat produce when there is friction??

Answer 1

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when the two surfaces are rubbed Each Other they produce heat as they are working over each other and force is applied there.

therefore,heat is produced when there is friction .

for example :-

when two rocks are rubbed Each Other surface then after sometimes you can see the heat is produced there.

another example is there

Rub ur the palms of your hand after sometime you feel warm as their heat energy is produced.

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Answer 2

Friction is a force that opposes motion between any surfaces that are touching. Friction occurs because no surface is perfectly smooth. ... Friction produces heat because it causes the molecules on rubbing surfaces to move faster and have more energy

Hope it helped you