mechanical advantage

mechanical advantage (countable and uncountable, plural mechanical advantages)

1. The ratio of the output force produced by a machine (especially a simple machine) to the applied input force.
   • 1822 the mechanical advantage of the wedge may be ascertained by comparing its perpendicular elevation with its base - Practical Education - Maria Edgeworth, Richard Lovell Edgeworth
   • 2005 Mechanical advantage is a ratio of like quantities and therefore has no units - Plumbing Levels 1 & 2: A Practical Guide for Level 2 - Robert Michael Boyce, Arnold Masterman

• leverage