Physics, 01.06.2021 16:40 sharonsmailbagot6uas

4. A pulley system is used to lift a 4500 N weight using a 900 N force. If the mass moves 1.0m while the pulley is pulled 6.0m, what is the efficiency of the machine?

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4. A pulley system is used to lift a 4500 N weight using a 900 N force. If the mass moves 1.0m while...

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