When mechanical work is done on a system, an increase normally occurs in its

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Quizplus · Accepted Answer

According to the first law of thermodynamics, when work is done on a system, the internal energy of the system increases by an amount equal to the work done on the system. This increase in internal energy typically manifests as an increase in temperature, as the internal energy is related to the kinetic energy of the system's particles. Therefore, both the internal energy and temperature of the system usually increase when mechanical work is done on it.

When Mechanical Work Is Done on a System, an Increase