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Moments, levers and gears (physics only) key terms
Study Moments, levers and gears (physics only) with curriculum-aligned Key Terms resources, practice links, and exam-focused support.
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key terms
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Moments, levers and gears (physics only)
Key terms
gear
A toothed wheel that transmits turning effects and can change the size of a force or the speed of rotation.
turning effect
The rotational influence produced by a force acting at a distance from a pivot point.
gear
A toothed wheel that transmits turning effects and can change the size of a force or the speed of rotation.
turning effect
The rotational influence produced by a force acting at a distance from a pivot point.
moment
The turning effect of a force about a pivot, calculated as force multiplied by the perpendicular distance from the pivot.
lever
A simple machine that rotates about a pivot, used to amplify force or change the direction of force.
lever
A simple machine that rotates about a pivot to amplify force.
gear
A toothed wheel that transmits turning effects and can change force or speed of rotation.
gear
A toothed wheel that transmits turning effects in machinery.
turning effect
The rotational influence produced by a force applied at a distance from a pivot.
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