Physics GCSE
Pressure
What Pressure means in Physics GCSE, as defined for AQA, OCR.
Definitions of Pressure
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Reference: OCR
Force spread over the area in contact, measured in pascals (Pa), with force in newtons and area in square metres.
The force normal to a surface divided by the area of that surface, measured in pascals (Pa).
Measures how concentrated a force is over an area and is measured in pascals, Pa.
The normal force divided by the area over which it acts, measured in pascals.
Topics that use Pressure
- Pressure in a fluid 1 (AQA GCSE)
- Forces in action (OCR GCSE)
Related terms
- Weight
- Area
- Area under a force–extension graph
- Clockwise and anticlockwise rotation
- Constant versus changing ratio
- elastic deformation
- Elastic limit
- Elastic limit and permanent deformation
Using Pressure in the exam
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