Physics GCSE
opposition and braking
What opposition and braking means in Physics GCSE, as defined for AQA.
Definition of opposition and braking
Check what you remember
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Reference: AQA
The opposition rule doing useful work, where induced currents produce fields that oppose the motion and slow the car, as in a roller coaster brake.
Topics that use opposition and braking
- Induced potential (HT only) (AQA GCSE)
Related terms
- changing field
- Conservation of energy
- direction of the induced potential difference
- energy transfer
- generator effect
- induced potential difference
- number of turns
- opposing the change
Using opposition and braking in the exam
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