Physics A-Level
Impulse
What Impulse means in Physics A-Level, as defined for AQA.
Definitions of Impulse
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Reference: AQA
The integral of force with respect to time, equal to the area under a force–time graph and to the change in momentum.
For a varying force, this is the area under the force–time graph.
Topics that use Impulse
- Momentum (AQA A-Level)
Related terms
- Algebraic modelling of collisions
- Area under a force–time graph
- Closed system
- Coalescence and explosions
- Conservation of linear momentum
- Consistency of units and signs
- Elastic versus inelastic collisions
- Explosions as momentum-conserving separations
Using Impulse in the exam
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