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Moments, levers and gears (physics only) key terms
Use these key terms for Moments, levers and gears (physics only) in AQA Physics 8463. The page is built from approved learning objectives for this topic and links back to the wider unit, topic hub, and related revision assets.
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key terms
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Topic
Moments, levers and gears (physics only)
Key terms
moment
The turning effect of a force about a pivot.
pivot
The fixed point around which a lever rotates.
moment
The turning effect of a force, calculated as the product of the force and the perpendicular distance from the pivot.
pivot
The point about which a lever rotates, crucial for determining the moment produced by a force.
moment
The turning effect of a force, calculated as the product of the force and the perpendicular distance from the pivot.
perpendicular distance
The shortest distance from the line of action of the force to the pivot point, used in calculating the moment.
moment
The turning effect of a force, calculated as the product of the force and the perpendicular distance from the pivot.
perpendicular distance
The shortest distance from the line of action of a force to the pivot point, used in calculating the moment.
moment
The turning effect of a force, calculated as the product of the force and the perpendicular distance from the pivot.
perpendicular distance
The shortest distance from the line of action of a force to the pivot point, crucial for calculating the moment.
moment
The turning effect of a force, measured in newton metres.
newton metre
The unit of measurement for moment, representing the torque produced by a force of one newton applied at a perpendicular distance of one metre from the pivot.
moment
The turning effect of a force about a pivot, measured in newton metres.
clockwise moment
A moment that causes rotation in a clockwise direction around a pivot.
moment
The turning effect of a force, calculated as the product of the force and the perpendicular distance from the pivot.
pivot
The fixed point around which a lever rotates, crucial for determining the moment produced by a force.
moment
The turning effect of a force about a pivot.
perpendicular distance
The shortest distance from the line of action of the force to the pivot point.
moment
The turning effect of a force, calculated as the product of the force and the perpendicular distance from the pivot.
pivot
The fixed point around which a lever rotates, crucial for determining the moment produced by a force.
lever
A simple machine that rotates about a pivot to amplify force.
pivot
The fixed point around which a lever rotates.
lever
A simple machine that rotates about a pivot to amplify force.
moment
The turning effect of a force, calculated as force multiplied by the perpendicular distance from the pivot.
lever arm
The distance from the pivot to the point where the force is applied, which affects the moment produced.
moment
The turning effect of a force, calculated as the product of the force and the perpendicular distance from the pivot.
gear
A toothed wheel that transmits turning effects and can change the size of a force or the speed of rotation.
moment
The turning effect of a force, calculated as the product of the force and the perpendicular distance from the pivot.
input gear
The gear that receives the initial force or motion in a gear system.
output gear
The gear that transmits the force or motion to the load in a gear system.
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.