Physical Education A-Level
Pressure differences
What Pressure differences means in Physical Education A-Level, as defined for AQA.
Definition of Pressure differences
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Reference: AQA
Air travels faster over the upper surface than the lower surface, and faster air has lower pressure, so pressure above the discus is lower than below it.
Topics that use Pressure differences
- Fluid mechanics (AQA A-Level)
Related terms
- Aerofoil and lift
- Aerofoil shape and lift
- Downward lift
- Drag increase
- Drag reduction
- Factors affecting magnitude
- Lift
- Spin and the Magnus effect
Using Pressure differences in the exam
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