Question

Why is it impossible for a machine to give you more energy output than the amount of energy put into it?



A .This would violate the law of conservation of energy


B. This would cost too much


C. This would produce too much wasted heat

Answer 1

and your thoughts are?

Answer 2

Output work cannot be greater..

Answer 3

i think energy and work are diffrent concepts. which of the options provided do you believe is the best choice?

Answer 4

things tend to be impossible, not becuase of cost or waste, those may be reasons for impracticality ... but if something is impossible there is usually a law that governs it

Answer 5

It would be a ?

Answer 6

my pick is A yes

Answer 7

Thank you '

Answer 8

good luck :)