Momentum is the product of mass and velocity of an object. It is a vector quantity.
The SI unit of momentum is kg m/s.
The force acting on an object equals the rate of change of momentum of the object.
Force = rate of change in momentum
mv = constant
The change in momentum formula is given as:
p = mv
Therefore, when mass m is fixed, p is proportional to v.
Similarly, when v is constant, p is proportional to m.
Therefore, and graph are both straight lines.
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