Physics of a 1st class lever, a simple machine Entry posted by ItownEagl3 November 7, 2014 1,114 views Share More sharing options... Followers 0 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. For a first class lever the force into usually equalls or exceeds the force of the load.
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