Physics GCSE
deceleration
What deceleration means in Physics GCSE, as defined for AQA, OCR.
Definitions of deceleration
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Reference: OCR
The rate of change of speed when speed decreases, found by dividing the change in speed between two points by the time taken between them.
The acceleration of a vehicle in the opposite direction to its motion, which is greater when the braking force is greater.
A negative acceleration, kept with its negative sign when the object slows down.
Topics that use deceleration
- Factors affecting braking distance 2 (AQA GCSE)
- Motion (OCR GCSE)
Related terms
- Kinetic energy
- Acceleration
- Accurate reading of scales
- Appropriate apparatus selection
- Area as displacement
- average speed
- brake overheating
- braking force
Using deceleration in the exam
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