Question

an iron nail become warm when it is hammered

Answer 1

Explanation:

The potential energy of the hammer is transferred to the nail. A major part of this energy is changed into kinetic energy as the nail moves into the plank and the rest is converted into heat. It si due to this heat that the nail becomes warm.

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Answer 2

Energy is something that cannot be manufactured it is just a quantity that can be transformed into one form into another and can be of many forms as potential energy, kinetic energy, frictional energy, and heat energy.

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