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  • Tell me? The M.I. of a solid cylinder of mass M and radius R about a line parallel to the axis of the cylinder and ling on the surface of the cylinder is

The M.I. of a solid cylinder of mass M and radius R about a line parallel to the axis of the cylinder and ling on the surface of the cylinder is

  • Option 1) 2Mr2/5

     

  • Option 2) 3MR2/5

     

  • Option 3) 3MR2/2

     

  • Option 4) 5MR2/2

     

 

Answers (1)

best_answer

As we learnt 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.

 

 

I'=I_{o}+MR^{2}

=\frac{1}{2}MR^{2}+MR^{2}=\frac{3}{2}MR^{2} 


Option 1)

\frac{2}{5}MR^{2}

This option is incorrect.

Option 2)

\frac{3}{5}MR^{2}

This option is incorrect.

Option 3)

\frac{3}{2}MR^{2}

This option is correct.

Option 4)

\frac{5}{2}MR^{2}

This option is incorrect.

Posted by

prateek

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