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9 Nov 2011 15:58:21 IST

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rotatioanl mechanics-----moment of inertia

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two identical elleptical plates each of mass M and MOI 'I' , about an axis passing through centre and perpendicular to the plane . Both plates are fixed concentrically in same plane as shown in figure . MOI of system about an axis Ab in the plane of plates and passing through centre is ????

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Naseem Ahmad

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12 Nov 2011 17:35:56 IST

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rotatioanl mechanics-----moment of inertia

Arjun Virmani

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Joined: 1 Jun 2009

Posts: 1294

4 Feb 2012 15:42:44 IST

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For any two bodies if u need to find combined MOI about an axis u can simply add the separate MsOI of the bodies about that axis.

In this case it will be simply 2I.

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