Question

As work is done what happens to energy?

Answer 1

After the work is done, energy is released as heat or some other form.
According to law of conservation of energy,, Energy can neither be created nor destroyed. It can only change from one form into another. so after the work done energy changes to other form..

Answer 2

Well, it depends, energy can increase in a system or be released from the system when work is done :/

Answer 3

yup..