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In the figure, the rock weighs 200 lb and is lifted 1 ft by the lever. F Fulcrum 3F 3d O (a) How much work

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In the figure, the rock weighs 200 lb and is lifted 1 ft by the lever. F Fulcrum 3F 3d O (a) How much work is done? X ft-lb (b) The other end of the lever is pushed down 3 ft while lifting the rock. What force had to act on that end? X lb Need Help? Read It Submit

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