A perpetual motion machine is________?
Aa non-thermodynamic machine
Ba thermodynamic machine
Can inefficient machine
Da hypothetical machine
Ea hypothetical machine whose opera-tion would violate the laws of thermodynamics
Correct answer
E. a hypothetical machine whose opera-tion would violate the laws of thermodynamics
Explanation
The correct answer is a hypothetical machine whose opera-tion would violate the laws of thermodynamics.