Given below are S.I. units of some physical quantities : Kg-ms-2 , ms-1 , Kg ms-1 , ms-2.
which one of the above can be used for measuring momentum of an object ? Writ the physical quantity that needs to be varied if the momentum of a body of a given mass has to be changed.

  • Momentum is equal to the product of mass and velocity. 
  • Hence, the unit of momentum is kg.m/s
  • The physical that need to be changed is velocity of the body in the case of a given mass of the body.

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