the ratio of output force to the input force applied to a mechanism.
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How to use mechanical advantage in a sentence
By shifting the bolt into the centre nearest the pump-rod, the mechanical advantage of the workman may be doubled.A Dictionary of Arts, Manufactures and Mines | Andrew Ure
It is the moveable pulley only, which gives any mechanical advantage.Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained | Jane Haldimand Marcet and Thomas P. Jones
The mechanical advantage can be worked out mathematically,—a good problem for the physics or mathematics class.Foods and Household Management | Helen Kinne
In a similar way, the mechanical advantage of any machine is found by finding the ratio of the resistance or weight to the effort.Physics | Willis Eugene Tower
In general, the longer the wedge for a given thickness the greater the mechanical advantage.Physics | Willis Eugene Tower
British Dictionary definitions for mechanical advantage
the ratio of the working force exerted by a mechanism to the applied effort
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for mechanical advantage
The ratio of the output force (acting on a load) produced by a machine to the applied effort (the input force). See also efficiency.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.