Answer :
The work output of a machine can be anything, depending on the friction
and other losses internal to the machine. But it can never be MORE than
the work input.
I suppose you might say that the work output can never be less than zero,
because there's no such thing as negative energy.
and other losses internal to the machine. But it can never be MORE than
the work input.
I suppose you might say that the work output can never be less than zero,
because there's no such thing as negative energy.
