BRAINCAKEConstant vs Changing Mass
For constant mass
ΣF = m a
The acceleration of an object is proportional to the resultant force ΣF acting on the object.
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Key terms in this lesson
- Momentum
- The product of an object's mass and its velocity; a vector quantity, conserved in any interaction provided no external resultant force acts.
More in Force and Momentum
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- The Rate of Change of Momentum
- Definition of the Newton
- Force-Time Graphs
- Force-Time Graphs for Impacts
- Rebound Impacts
- Newton's Third Law of Motion
All 16 lessons in Force and Momentum · All AQA AS-level Physics topics