Answer :
Baded on the law of conservation of energy, the total energy in a systemis constant even though it change form.
What is energy?
Energy is defined as the ability to do work.
Energy occurs in many forms such as:
- heat energy
- light energy
- sound energy
- mechanical energy
- electrical energy
Energy according to law of conservation of energy, cannot be created nor destroyed, but change from one form to another.
For example, electrical energy can be converted to light and sound energy. However, the total energy remains constant.
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