If the radius of a circular disc is doubled, how many times its moment of inertia about an axis passing through its centre and perpendicular to its plane will increase
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4 times.
You know moment of inertia is directly proportional to square of radius.
So if radius increases two times,then moment of inertia will be 4 times.
Thanks.
Tripathy.
You know moment of inertia is directly proportional to square of radius.
So if radius increases two times,then moment of inertia will be 4 times.
Thanks.
Tripathy.
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