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28 May 2011 18:16:55 IST

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how i find moment of inertia of disc perp.to plane of disc throgh c.m.

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how i find moment of inertia of disc perp.to plane of disc throgh c.m.

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Juhi Sharma

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Joined: 22 May 2009

Posts: 2467

19 May 2012 13:38:48 IST

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1) dm*x^2=I

this would be the moment of a ring at the distance x.

3)dm=2pixdx*@

@ is the mass density.

Now put it and integrate the moment would be mr^2/2

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