State whether momentum is scaler or vector quantity find the unit of it in CGS and SI system
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Solution
Dear student
Momentum is a vector quantity. Momentum = mass x velocity. Since velocity is a vector having a definite direction and magnitude, momentum also has the same direction as of the velocity vector.
Remember the definition and you won't have to remember the unit!
Momentum (P) = mass x velocity = kg x m/s = kg m/s (SI unit)