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Forums
Physics
Classical Physics
Mechanics
Conservation of Energy: Why are Normal Forces Zero?
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[QUOTE="Gaussian97, post: 6300868, member: 662184"] Well, the work is, by definition ##dW=\vec{F}\cdot d\vec{r}##, and a normal force is, again by definition a force which fulfils ##\vec{F}\cdot d\vec{r}=0##. So the work is zero almost by definition again. [/QUOTE]
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Forums
Physics
Classical Physics
Mechanics
Conservation of Energy: Why are Normal Forces Zero?
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