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Five particles of mass 2 kg each are att...

Five particles of mass 2 kg each are attached to the rim of a circular disc of radius 0.1 m and negligible mass. Moment of inertia of the system about the axis passing through the centre of the disc and perpendicular to its plane is

A

`1"kg-m"^(2)`

B

`0.1"kg-m"^(2)`

C

`2"kg-m"^(2)`

D

`0.2"kg-m"^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`I=Sigmamr^(2)=5mr^(2)=5xx2xx(0.1)^(2)=0.1"kg m"^(2)`
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