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Question

Heat and work are equivalent. This means,

A
When we supply heat to a body we do work on it.
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B
When we do work on a body we supply heat to it.
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C
The temperature of a body can be increased by doing work on it.
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D
A body kept at rest may be set into motion along a line by supplying heat to it.
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Solution

The correct option is C The temperature of a body can be increased by doing work on it.
The mechanical equivalent of heat states that motion and heat are mutually interchangeable and that in every case, a given amount of work would generate the same amount of heat, provided the work done is totally converted to heat energy.

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