Classify the following hypothetical perpetual motion machines as being perpetual motion machines of the first kind $(A)$ or the second kind (B).
-(c) An engine's tank is filled with water. When the engine operates, it slowly freezes the water in the tank, converting the energy released to mechanical energy.
A) first kind
B) second kind

Question

Quizplus · Accepted Answer

This hypothetical engine violates the second law of thermodynamics by converting thermal energy entirely into mechanical work without any loss, classifying it as a perpetual motion machine of the second kind.

Classify the Following Hypothetical Perpetual Motion Machines as Being Perpetual (A)(A)(A)

Classify the Following Hypothetical Perpetual Motion Machines as Being Perpetual $(A)$