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Alena Calhoun
Physics
3 March, 13:06
What is a pulley system?
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Gibson
3 March, 13:10
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A device consisting of a wheel over which rope or chain is pulled in order to lift a heavy object.
Examples - Elevators use multiple pulleys in order to function. A cargo lift system that allows for items to be hoisted to higher floors is a pulley system
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