Effort in = 500 N
Mechanical advantage = Effort out / Effort in
From the above deduction, we can conclude that the correct option among all the options that are given in the question is the second option. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.
your answer is a “generator”
a generator does not create energy but instead it transforms it.
it’s basically a motor working in reverse.