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Merits and Demerits of Friction

Heating is ca...

Question

Heating is caused because of an increase in energy of the molecules.

A

kinetic

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B

chemical

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C

potential

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Solution

The correct option is A kinetic
Temperature of a body is the measure of average kinetic energy of its molecules. When a body it heated, its molecules start vibrating faster. As a result of this, kinetic energy and hence the temperature increases.

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