Moment of inertia of a frame made of thin rods

1. A.
   $\frac{Ml^2}{4}$
2. B.
   $\frac{2Ml^2}{3}$
3. C.
   $\frac{4Ml^2}{3}$
4. D.
   $\frac{Ml^2}{3}$

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1. A.
   $\frac{4ML^2}{3}$
2. B.
   $\frac{ML^2}{12}$
3. C.
   $\frac{ML^2}{6}$
4. D.
   $\frac{2ML^2}{3}$

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1. A.
   $\frac{ML^2}{3}$
2. B.
   $\frac{2ML^2}{3}$
3. C.
   $\frac{2ML^2}{9}$
4. D.
   $\frac{4ML^2}{3}$

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1. A.
   $\frac{3ML^{2}}{4}$
2. B.
   $\frac{2ML^{2}}{5}$
3. C.
   $\frac{2ML^{2}}{3}$
4. D.
   $\frac{3ML^{2}}{5}$

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1. A.
   $\dfrac{5m\ell^2}{3}$
2. B.
   $\dfrac{2m\ell^2}{3}$
3. C.
   $\dfrac{4m\ell^2}{3}$
4. D.
   $\dfrac{m\ell^2}{12}$

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