Physics GCSE
Force perpendicular to surfaces
What Force perpendicular to surfaces means in Physics GCSE, as defined for OCR.
Definition of Force perpendicular to surfaces
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Reference: OCR
Because particles arrive from all directions inside the gas, the combined effect is a net force acting at right angles to every surface the gas touches.
Topics that use Force perpendicular to surfaces
- Pressure (OCR GCSE)
Related terms
- Atmospheric pressure and weight of air
- Cause-and-effect explanation
- Closed systems
- Collisions with container walls
- Comparing pressures at different heights
- Constant temperature and constant average particle speed
- Density and depth
- density comparison
Using Force perpendicular to surfaces in the exam
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