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How Does Friction Produce Heat?

The surface o...

Question

The surface of the head of a matchstick and sides of a matchbox is deliberately made rough to :

A

increase friction

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B

decrease friction

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C

increase amount

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D

decrease amount of heat

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Solution

The correct option is A increase friction
Due to increased friction, greater frictional heat is produced in the matchstick which thus lights up easily.

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