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Newtonian mechanics discusses the movement of classical bodies under the influence of forces by applying Newton’s three laws. For more general concepts, use [classical-mechanics]. For Newton’s description of gravity, use [newtonian-gravity].

3 votes

Where does potential energy come from?

This article explains well the mechanism of the skeletal muscles. Even though you don't see macroscopic movement and you expect your power "output" to be zero, because $\boldsymbol{P = F\cdot V}$ Ther …
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