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If the external force acting on a system...

If the external force acting on a system of particle is zero then …………..

A

`vec(a)_(cm)=0`

B

`vec(v)_(cm)=0`

C

`vec(r )_(cm)=0`

D

`vecp=0`

Text Solution

Verified by Experts

The correct Answer is:
A
`vecF=Mveca_(cm)`
`0=Mveca_(cm)`
`therefore 0=veca_(cm)`
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