Energy is the ability of an object to do work or cause a change. In the context of the provided options:
- OA. Incorrect. This choice refers to the concept of work, which is related to energy but not the definition of energy itself.
- OB. Incorrect. Mass is a measure of the amount of matter in an object, not the property that gives it energy.
- OC. Incorrect. Heat is a form of energy, but it is not the sole definition of energy.
- OD. Incorrect. While energy enables objects to undergo changes, this option does not fully capture the essence of energy.
- OE. Correct. This option accurately defines energy as the ability of a body to move. Moving objects possess kinetic energy, which is a form of energy associated with motion.