Which is the best statement of the Law of Conservation of Energy?(1 point) Responses

Question

A. The amount of energy put into a simple machine should be conserved.
B. The amount of energy put out by a simple machine must equal the amount of energy put into the machine.
C. The amount of energy put out by a simple machine is always less than the amount of energy put into the machine.
D. The amount of energy put out by a simple machine depends on its efficiency.

Answer 1

B. The amount of energy put out by a simple machine must equal the amount of energy put into the machine.