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Wheel and axle – Simple machines – Physics

By | 2018-05-31T11:49:32+00:00 August 17th, 2017|Central Asia, Physics|

An Egyptian potter uses a pottery wheel, about 2000 BC. He uses his hand to spin the wheel. Wheels do not exist in nature, and no animals use them except people (though some animals do use gears, which are a special kind of wheel). People didn't use wheels either until the early Bronze Age, [...]