![]() Using the wheel, Sumerians invented a device that spins clay as a potter shapes it into the desired object. In order for wheels to rotate, a moment needs to be applied to the wheel about its axis, either by way of gravity or by the application of another external force or torque. A wheel reduces friction by facilitating motion by rolling together with the use of axles. Wheels are also used for other purposes, such as a ship's wheel, steering wheel, potter's wheel, and flywheel.Ĭommon examples can be found in transport applications. ![]() Wheels, in conjunction with axles, allow heavy objects to be moved easily facilitating movement or transportation while supporting a load, or performing labor in machines. The wheel is one of the key components of the wheel and axle which is one of the six simple machines. ![]() For other uses, see Wheel (disambiguation) and Wheels (disambiguation).Ĭontemporary wheel made of a solid piece of woodĪ wheel is a circular component that is intended to rotate on an axle bearing.
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