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If you have a pulley, it will make lifting an object up easier. since it is easier for someone to pull something down then pick up, a pulley is made to pull the object up, in a way where you only have to pull down. (Because that's easier)

for example, if your friend tries to life you off the ground, that is a lot harder. but, if you put a rope over a branch, hold on to one end, and have your friend pull the rope down or away from you, which will raise you up, it is a lot easier, and more convenient

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13y ago
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Q: What do pulleys do to the direction of a force?
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