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Four solid rigid balls reach of mass m a...

Four solid rigid balls reach of mass m and radius r are fixed on a rigid-ring of radius 2r and mass 2m. The system is whirled about 'O' as shown. The radius of gyration of the system is :

A

`rsqrt((128)/(5))`

B

`rsqrt((88)/(5))`

C

`rsqrt((128)/(30))`

D

`rsqrt((88)/(30))`

Text Solution

Verified by Experts

The correct Answer is:
C
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