Physics A-Level
Pressure from molecular collisions
What Pressure from molecular collisions means in Physics A-Level, as defined for AQA.
Definition of Pressure from molecular collisions
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Reference: AQA
Pressure arises from the rate of change of momentum as molecules strike unit area of wall.
Topics that use Pressure from molecular collisions
- Molecular kinetic theory model (A-level only) (AQA A-Level)
Related terms
- Brownian motion
- Collisions and resultant forces
- Conservation of momentum
- Elastic collision
- Empirical versus theoretical knowledge
- Gas laws from experiment
- Internal energy of an ideal gas
- Kinetic theory and observation
Using Pressure from molecular collisions in the exam
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