Physics, 14.07.2019 20:00 glocurlsprinces

You use a pulley system to lift a car engine. you apply a force of 120n and the pulley pulls on the engine with a force of 1050n. what is the mechanical advantage of the pulley?

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You use a pulley system to lift a car engine. you apply a force of 120n and the pulley pulls on the...