Question

The change in the momentum of body can be
achieved by
(1) Changing the velocity of the body only
(2) Changing the mass of the body only
(3) Changing both velocity and mass of the body
only
(4) Changing velocity or mass or both of the body​

Answer 1

Answer:

In General option 1 is correct

But if we take hypothetical condition in which mass of body is not constant just like in nuclear reaction then option 4 is correct