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How much work is done by each of the three forces ? The two ropes seen in the figure are used to lower a 255

How much work is done by each of the three forces ?

The two ropes seen in the figure are used to lower a 255 kg piano 6.00 m from a second-story window to the ground. 1830 N 60% 2500 N 71295 N 45 Fo

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