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Results tagged with energy-conservation
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user 180893
The law of conservation of energy, which states that the amount of energy in a system is constant. For questions about Earth's environment, see the climate-science tag instead.
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obtaining a force equation using the time derivative of energy
i saw this trick for obtaining a force equation but i don't understand why it works
lets suppose our system conserves energy then
$$E=U+E_{k}=const$$
$$\frac{dE}{dt}=\dot E_{k}-F=0$$
and then to obta …
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