BRAINCAKERebound Impacts
When an object hits a stationary wall and rebounds on impact, the initial momentum is (+mu) and the final momentum is (-mu) provided kinetic energy is not lost on impact and the object rebounds with the same speed as it hits the wall.
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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
- Definition of the Newton
- Constant vs Changing Mass
- Force-Time Graphs
- Force-Time Graphs for Impacts
- Newton's Third Law of Motion
- The Principle of Conservation of Momentum
- Practical: Testing Conservation of Momentum
- Collisions
All 16 lessons in Force and Momentum · All AQA AS-level Physics topics