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A house painter uses the chair-and pulley arrangement of FIGURE P7.45 to lift himself up the side

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A house painter uses the chair-and pulley arrangement of FIGURE P7.45 to lift himself up the side of a house. The painter€™s mass is 70 kg and the chair€™s mass is 10 kg. With what force must he pull down on the rope in order to accelerate upward at 0.20 m/s2?

FIGURE P7.45

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FIGURE P7.45

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Model The painter and the chair are treated as a single object and repr...View the full answer


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