+The **Conservation Of Energy** is a fundamental principle stating that energy can neither be created nor destroyed, only transformed from one form to another. In any [closed system](/wiki/system), the total amount of [energy](/wiki/energy) remains constant, though its form may change.
+## See also
+- [First Law](/wiki/first_law)
+- [Mass](/wiki/mass)
+- [Work](/wiki/work)
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