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Moment of inertia for a rectangular lamina about the axis in the plane of lamina passing through the end and parallel to the breadth is 

Option: 1

\frac{ml^2}{12}


Option: 2

\frac{ml^2}{4}


Option: 3

\frac{ml^2}{3}


Option: 4

\frac{ml^2}{2}


Answers (1)

best_answer

Axis is in the plane of the lamina passing through the end  & parallel  to the  breadth.

 

 

    The mass distribution of lamina in the above case is like a rod for which axis pass through its end hence the moment of inertia for a rectangular lamina about the axis in the plane of lamina passing through the end and parallel to the breadth is \frac{Ml^2}{3}

 

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chirag

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