In Fig. find moment of inertia of a plate having mass `M`, length `l` and width `b` about axes `1, 2, 3` and `4`. Assume that `C` is the centre and mass is uniformly distributed.
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Explanation

Moment of inertia of the plate about axis 1 (by taking rods perpendicular to axis 1) `I_1=(Mb^2)/3` Moment of inertia of the plate about axis 2 (by taking rods perpendicular to axis 2)`I_2=(M1^2)/12`Moment of inertia of the plate about axis 3 (by taking rods perpendicular to axis 3)`I_3=(Mb^2)/12`Moment of inertia of the plate about axis 4 (by taking rods perpendicular to axis 4) `I_4=(M1^2)/3`.