Wheel

Wheel is the name of a circular disc or torus shaped object meant to be fastened on a [wheel axle]? and attached to a vehicle. The wheel will then roll over the ground and transfer the friction from "ground against vehicle" to "wheel axle against socket", where lubrication? or [ball bearing]?s may minimize it.

In order for wheels to work well, one must employ them on roads, or fit the vehicle with superior suspension?.

The wheel was most likely invented in all ancient civilizations, although not always used. A development of wheels to allow them to travel through rough terrain is the track.

The wheel if often viewed as the quintessential invention?.