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GCSE Design and Technology · key term
A device or arrangement of moving parts that transmits or changes force and movement.
Used by AQA
Paper 1
Revise: Force magnitude and directionA mechanism transmits force and movement from an input to an output. It can change the direction of a force, its magnitude (size), or the type of movement produced. A bicycle brake linkage redirects a pull, while a gear system can turn a fast motor output into slower rotation with greater turning force.
When explaining a mechanism, connect the input to the output: name the movement or force applied, explain how the parts transmit it, then describe what changes.
Label fixed pivots and use arrows to show input and output movement in mechanism sketches.
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