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Figure shows a thin metallic triangular ...

Figure shows a thin metallic triangular sheet `ABC`. The mass of the sheet is `M`. The moment of inertia of the sheet about side `AC` is :
.

A

A. `(Ml^(2))/18`

B

B. `(Ml^(2))/12`

C

C. `(Ml^(2))/6`

D

D. `(Ml^(2))/4`

Text Solution

Verified by Experts

The correct Answer is:
B
Moment of inertia of `ABC` about `Ac=1/2xx` moment of inertia of square sheet `ABCD` about `AC=1/2x[2M]xl^(2)/12=(Ml^(2))/12`
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