If you constantly strike an iron bar with a hammer, the temperature of the bar .

decreases

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does not change

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increases

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is not measurable

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Solution

The correct option is C increases
While hammering, the kinetic energy of the hammer converts into heat energy, sound energy, etc. The molecules of the bar start to vibrate due to striking. This causes the temperature of the bar to rise.

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If you constantly strike an iron bar with a hammer, the temperature of the bar .

The correct option is C increasesWhile hammering, the kinetic energy of the hammer converts into heat energy, sound energy, etc. The molecules of the bar start to vibrate due to striking. This causes the temperature of the bar to rise.

The correct option is C increases
While hammering, the kinetic energy of the hammer converts into heat energy, sound energy, etc. The molecules of the bar start to vibrate due to striking. This causes the temperature of the bar to rise.