The moment of inertia of a uniform circular disc is maximum about an axis perpendicular to the disc and passing through

  • Option 1)

    B

  • Option 2)

    C

  • Option 3)

    D

  • Option 4)

    A

 

Answers (2)
V varun

b

 

P Plabita

as discussed in

Paraller Axis Theorem -

I_{b\: b'}=I_{a\: a'}+mR^{2}

- wherein

b\: b' is axis parallel to a\: a' & a\: a' an axis passing through centre of mass.

 

 

 According to parallel axis theorem,

I=I_{c}+MR^{2}

R is maximum for point B, so Imax is about B.


Option 1)

B

This option is correct.

Option 2)

C

This option is incorrect.

Option 3)

D

This option is incorrect.

Option 4)

A

This option is incorrect.

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