D. Define: 14. Energy 15. Unit of energy

1.	D. Define: 14. Energy 15. Unit of energy
Answer» Energy is defined as the capacity of a physical system to PERFORM work. HOWEVER, it's important to keep in mind that just because energy exists, that doesn't mean it's NECESSARILY available to do work.15. The SI unit of energy is the joule (J) or newton-meter (N * m). The joule is also the SI unit of work.Explanation:hope it helps you mark brainliest

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D. Define: 14. Energy 15. Unit of energy​

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D. Define: 14. Energy 15. Unit of energy