Find the moment of inertia of a uniform square plate of mass m and edge a about one of its diagonals.
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The moment of inertia of a uniform square plate is given by, .
Explanation:
Step 1 :
Assume that in a specific cross sectional area the distance is x.
Now it would be mass of that cross-sectional area,
Step 2 :
Hence the moment of this axis inertia,
Step 3 :
Now for the other side in the same way,
And by the theorem of the perpendicular pole, the moment of inertia is as follows :
Therefore, the moment of inertia is, .
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