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wheel and axle

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
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.
ThesaurusLegend:  Synonyms Related Words Antonyms
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


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