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A circular disc A of radius r is made fr...

A circular disc A of radius r is made from an iron plate of thickness t and another circular disc B of radius 4r is made from an iron plate of thickness `t//4`. The relation between the moments of inertia `I_(A)` and `I_(B)` is (about an axis passing through centre and perpendicular to the disc)

A

`I_(A) gt I_(B)`

B

`I_(A)=I_(B)`

C

`I_(A) lt I_(B)`

D

Depends on the actual values of t and r

Text Solution

Verified by Experts

The correct Answer is:
C
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ERRORLESS -ROTATIONAL MOTION-Practice Problems (Problems based on moment of inertia)
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  20. A thin rod of length L of mass M is bent at the middle point O at an a...

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