What's the definition energy?​

 In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed.

Explanation:

i think the answer is a, hope this is right, that would be my best guess.

e

explanation:

there is no change in the electric potential energy as it is in rest on both conditions.