> When two or more bodies collide the effect they have on each other depends on there initial velocities(Before the collision) and on there masses.
Momentum = Mass x Velocity
> The unit of momentum is kgmsֿ¹
Force = Mass x Acceleration
F = ma
> Newtons First Law - An object remains at rest or in uniform motion unless acted on by a force
> Newtons Second Law - The rate of change of momentum of an object is proportional to the resultant force on it. In other words, the resultant force is proportional to the change of momentum per second.
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