wheel and axle

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wheel and axle

n.
A simple machine consisting of an axle to which a wheel is fastened so that torque applied to the wheel winds a rope or chain onto the axle, yielding a mechanical advantage equal to the ratio of the diameter of the wheel to that of the axle.

wheel and axle

n
(Mechanical Engineering) a simple machine for raising weights in which a rope unwinding from a wheel is wound onto a cylindrical drum or shaft coaxial with or joined to the wheel to provide mechanical advantage

wheel′ and ax′le


n.
a simple machine consisting typically of a cylindrical drum to which a concentric wheel is firmly fastened: ropes are so applied that as one rope unwinds from the wheel, another is wound onto the drum.
[1765–75]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.wheel and axle - hoist so arranged that a rope unwinding from a wheel is wound onto a cylindrical drum or shaft coaxial with the wheel
hoist - lifting device for raising heavy or cumbersome objects