BRAINCAKEDefinition of the Newton
One newton is the amount of force that will give an object of mass of 1kg an acceleration of 1ms-2.
Newton's second law states that the rate of change of momentum isproportional to the force acting on an 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
- Momentum
- Momentum and Newtons Laws of Motion
- The Rate of Change of Momentum
- Constant vs Changing Mass
- 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