Key term for Edexcel GCSE Physics, used in Moments, Levers and Gears.
The shortest distance measured at right angles (90°) from the pivot to the line of action of the force.
Perpendicular distance appears in Edexcel GCSE Physics revision content for Forces and their effects, especially Moments, Levers and Gears and Principle of Moments.
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Forces and their effects
Moments, Levers and Gears • Rotation
