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Physics, 28.12.2020 17:30 lakesha04begaye
A pulley system with a mechanical advantage of 15 is used to lift a 1750 N piano to a third floor balcony that is 7 m above the ground. What applied force must the movers use? How much rope will the movers pull in?
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A pulley system with a mechanical advantage of 15 is used to lift a 1750 N piano to a third floor ba...
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