The ___ is a simple machine that uses a rope, belt or chain wrapped around a _____. I
changes the direction of the force. It is used to pull objects. A _____ has three points of interest: ____, effort at one end of the _____, and ____or___.
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The pulley is a simple machine that uses a rope, belt or chain wrapped around a wheel. I changes the direction of the force. It is used to pull objects. A pulley has three points of interest: fulcrum, effort at one end of the rope, and resistance or load.
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