1.

Consider a two particle system with particles having masses m_(1)andm_(2). If the first particle is pushed towards the centre of mas through a distance d, by what distance should the second particle be moved, so as to keep the centre of mass at the same position?

Answer»

`(m_(2))/(m_(1))d`
`(m_(1))/(m_(1)+m_(2))d`
`(m_(1))/(m_(2))d`
d

Solution :Here `m_(1)d_(1)=m_(2)d_(2) THEREFORE d_(2)=(m_(1))/(m_(2)).d_(1)`


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