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Physics of a 1st class lever, a simple machine


ItownEagl3

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Levers can be used to exert a large force over a small ditance at one end by exerting only a small force over a greater distance at the other. blogentry-3449-0-46436800-1415390285_thu

For a first class lever the force into usually equalls or exceeds the force of the load.

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