Questions
Moment of inertia of ring about its diameter is I. The moment of inertia of the same ring about that axis
perpendicular to its plane and passing through centre is [KCET 2014]
a
I2
b
2I
c
I4
d
4I
detailed solution
Correct option is B
For a ring, Iz=MR2From perpendicular axes theorem, Ix+Iy=Iz …(i)Given, Ix=Iy=IFrom Eq. (i), we get2I=IzTalk to our academic expert!
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For the given uniform square lamina ABCD, whose centre is O find the relation between and
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