In the first law of thermodynamics,the work can be
A)only positive.
B)only negative.
C)neither.
D)either positive or negative.

Question

Quizplus · Accepted Answer

According to the first law of thermodynamics, energy cannot be created or destroyed, only transferred or converted from one form to another. Therefore, the work done can be either positive or negative, depending on the direction of energy transfer. Work done by a system is positive, while work done on a system is negative.

In the First Law of Thermodynamics,the Work Can Be