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Re: the definition of 'work'
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Originally Posted by C1ay
IMO the rock does no work, the water does by eroding the rock over time. With it's force it removes particles from the rock and moves them a distance as a result. The rock only reacts to the energy of the water, not by any energy of it's own. It is like a tennis ball dropped on the concrete. The rebound of the ball is a result of the balls energy, not the concrete's energy.
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I agree C1ay; The rock is doing no work at all, even the ripples that are created are the effect of energy in the water flow, therefore the water is doing all the work.
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Tolstoy wrote; "men only learn when they're suffering". The question is; how much do you want to learn?
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