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Energy is the conserved quantity associated to time-translation invariance and represents the work a system is capable of doing. Use this tag for questions about energy, and consider adding the [energy-conservation] tag if it is specifically about its conservation.

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Energy required to move an object at different speeds [closed]

Does it take more or less energy to move/push a 500 pound cart over a distance of say 100 yards on a smooth surface at a speed of 5 mph versus a speed of 1 mph? …
M Davis's user avatar