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Pulley – Simple machines – Physics

By |2018-05-31T11:49:15+00:00August 17th, 2017|Physics|

Clothesline pulley A pulley is really a kind of wheel, just as a screw is a kind of inclined plane. But pulleys are so important that people give them their own category. A pulley is a wheel with two raised edges. The raised edges are so that a rope or a string will run along the wheel [...]