Question

Please explain the answer
Let the centre of mass of a system of particle doesn't depend on
1) masses of the particles
2) internal forces on the particles
3) position of the particles
4) relative distance between the particles
Please

Answer 1

I think answer will be 2.

Answer 2

internal forces on the particles because internal force does not have any role on the system so all over external force depend

Explanation:

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