a grooved wheel with a rope passing around it
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pulley
Explanation:
pulley, simple machine consisting of a wheel over which a rope, belt, chain, or cable runs. A grooved pulley wheel like that used for ropes is called a sheave. A single sheave mounted in a block and fixed in place simply changes the direction of force exerted on the rope passing over it.
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Answer:
pulley
pulley, simple machine consisting of a wheel over which a rope, belt, chain, or cable runs. A grooved pulley wheel like that used for ropes is called a sheave. A single sheave mounted in a block and fixed in place simply changes the direction of force exerted on the rope passing over it.
Explanation:
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