# Law of conservation of energy

## Main Question or Discussion Point

Is there an equation for the law of conservation of energy?

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Hootenanny
Staff Emeritus
Gold Member
Is there an equation for the law of conservation of energy?
There are numerous mathematical statements of the concept of conservation of energy, depending on which field the concept is applied to.

HallsofIvy
Homework Helper
$$E_1+ E_2+ \cdot\cdot\cdot+ E_n= C$$
where $E_1$, $E_2$, $E_n$ are all the different kinds of energy in a system and C is a constant? In other words, energy can change from one form to another or from one object to another but in a given isolated system the total remains constant.