'Leverage of a force' definitions:

Definition of 'Leverage of a force'

From: GCIDE

Leverage \Lev"er*age\ (l[e^]v"[~e]r*[asl]j or l[=e]"v[~e]r*[asl]j), n. The action of a lever; mechanical advantage gained by the lever. [1913 Webster]
Leverage of a couple (Mech.), the perpendicular distance between the lines of action of two forces which act in parallel and opposite directions.
Leverage of a force, the perpendicular distance from the line in which a force acts upon a body to a point about which the body may be supposed to turn. [1913 Webster]