BRAINCAKECollisions
The conservation of linear momentum applies to all collisions.
The total momentum is the vector sum of the momenta of all the objects in a system.
In any interaction the total momentum before and after stays the same provided there is no external force.
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Key terms in this lesson
- closed system
- A system on which no external resultant force acts, so its total momentum stays constant.
More in Momentum
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- Explosions
- Newton's Third Law of Motion
- Momentum Question 1
- Momentum Question 2
- Momentum Question 3
- Momentum Question 4
All 9 lessons in Momentum · All Edexcel AS-level Physics topics