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calculating moment of inertia of cylinder solid and also hollow

calculating moment of inertia of cylinder solid and also hollow

Grade:12

2 Answers

Neeti
571 Points
8 years ago
Neeti
571 Points
8 years ago
consider a small element of mass dm and it’s distance from main axis then integrate for the entire body. 
the moment of inertia of any body is given by dI = \intmdr2
 
Using this method you get for a solid cylinder 1/2MR2
 
And for a hollow cylinder approx. MR2
 
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