Wheel and axle – Simple machines – Physics

By |2019-09-14T06:42:42-07:00August 17th, 2017|Physics|7 Comments

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 until the Neolithic, about 10,000 [...]