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mechanical advantage
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Mechanical Advantage
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In physics, the ratio by which the load moved by a machine is greater than the effort applied to that machine. In equation terms: MA = load/effort.
The exact value of a working machine's MA is always less than its theoretical value because there will always be some frictional resistance that increases the effort necessary to do the work.
© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.
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