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.

In Fig. find moment of inertia of a plate having mass M, length l and

1.	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.
Answer» Solution :Moment of INERTIA 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 PER pendicular to axis `2` `I_(2)=(Ml^(2))/12` Moment of inertia of the plane 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)=(Mb^(2))/3`