A disc of radius 
is cut from a disc of mass 
and radius 
. Find its moment of inertia of the remaining radius 
. Find its moment of inertia of the remaining disc about an axis passing through its center 
and perpendicular to its plane.
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
A
Moment of inertia of complete disc, 
Now, for mass of cut-out disc of radius 
,
Moment of inertia of cut out disc
M.O.I of residue disc,
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