What is the scientific definition of energy that relates it to work?

The scientific definition of energy that relates it to work is the following: Energy is the capacity to do work. There are various forms of energy, of which work is one. It may manifest itself as mechanical energy. All forms of energy are associated with motion, it is transferred from one form to another.

#2 the answer is d

#3 the answer is a

#4 the answer is b

i believe your answer is d)