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Biology, 16.11.2020 21:20 destiniout04231
A pulley system has an mechanical advantage of 10. If a mover used this pulley to lift a piano with a force of 1500 N a distance of 4 m, how much force must the mover use?
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A pulley system has an mechanical advantage of 10. If a mover used this pulley to lift a piano with...
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