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In the figure, the rock weighs 175 lb and is lifted 1 it by the lever. F Fulcrum 3F 3d (a) How much work is

In the figure, the rock weighs 175 lb and is lifted 1 it by the lever. F Fulcrum 3F 3d (a) How much work is done? ft-lb (b) The other end of the lever is pushed down 3 it while lifting the rock. What force had to act on that end? Need Help? Read It

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