Wheel

A wheel is a circular object that, together with an axle, allows low friction in motion, by rolling. Common examples are found in transport applications. More generally the term is also used for circular objects rotating for other purposes, such as a wheel and axle and a flywheel.

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Wheels are used in conjunction with an axle, either the wheel turns on the axle or the wheel is rigidly attached to the axle which then turns in bearings in the body of the vehicle. The mechanics are the same in either case.

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The low friction (compared to dragging) is explained as follows:

Axle: An axle is a central shaft for a rotating wheel or gear. In some cases the axle may be fixed in position with a bearing or bushing sitting inside the hole in the wheel or gear to allow the wheel or gear to rotate around the axle. In other cases the wheel or gear may be fixed to the axle, with bear...

Transport: :For other article subjects named transport, see Transport (disambiguation)....

Rotating: REDIRECT Rotation...

Wheel related Images and Photos (experimental)

Wagon Wheel	Ferris Wheel	Ferrous Wheel	Pacific Wheel
Steering Wheel	Paddle Wheel Boat	Paddle Wheel Boat	Ferris Wheel Fun II
Ferrous Wheel Babydoll	The Wheel of Fortune	Roulette Wheel at Casino	WIZ KHALIFA - Wheel