Physics A-Level
Velocity
What Velocity means in Physics A-Level, as defined for AQA, OCR.
Definitions of Velocity
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Reference: AQA
The vector rate of change of displacement, so a car on a roundabout can have constant speed but changing velocity.
Displacement divided by time, a vector, so direction matters.
Speed in a stated direction, so direction must be given.
Topics that use Velocity
- Motion along a straight line (AQA A-Level)
- Scalars and vectors (AQA A-Level)
- Kinematics (OCR A-Level)
Related terms
- Displacement
- Acceleration
- Area under a graph
- Area under a graph as a product
- Area under graphs
- Coplanar forces at a point
- Equilibrium
- Equilibrium conditions
Using Velocity in the exam
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