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An woman whose weight is 804 N stands on a long horizontal plank of wood 1.55 m from one end. The plank is uniform and is supported at each end by vertical posts. It has a mass of 27 kg and is 5.5 m long. With what force does the post that is closest to the woman push upward on the board
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An woman whose weight is 804 N stands on a long horizontal plank of wood 1.55 m from one end. The pl...
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