From a circular disc of radius and mass 9 , a small disc of radius /3 is removed from the disc. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through is

a) |
b) |
c) |
d) |

From a circular disc of radius and mass 9 , a small disc of radius /3 is removed from the disc. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through is

a) |
b) |
c) |
d) |

1 Answer

127 votes

**(a)**

or …(i)

Here,

Substituting in Eq. (i), we have

127 votes

127