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Moment of inetia of a disc about OO' is...

Moment of inetia of a disc about OO' is

A

`(3mr^(2))/2`

B

`(mr^(2))/2`

C

`(5mr^(2))/2`

D

`(5mr^(2))/4`

Text Solution

Verified by Experts

The correct Answer is:
D
`I_(AB)=(mr^(2))/4` (by perpendicular axis theorem) by applying parallel axis theorem
`I_(0,0)=(mr^(2))/4+mr^(2)=(5mr^(2))/4`
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Knowledge Check

  • If the moment of inertion of a disc about an axis tangentially and parallel to its surface by I, then what will be the moment of inertia about the axis tangential but perpendicular to the surface

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    B
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    C
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    D
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