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How to find moment of inertia of a rectangle( length l, breadth b) through one of its diagnol in through the same plane.

How to find moment of inertia of a rectangle( length l, breadth b) through one of its diagnol in through the same plane.
 

Grade:11

1 Answers

Saurabh Kumar
askIITians Faculty 2411 Points
7 years ago
Use the concept of perpendicular axis theorem, sum of moment of inertia about diagonals will be equal to the moment of inertia about the axis perpendicular the plane of plane....
so find the MI about the plane...and then calculate....245-302_xzxz1.PNG245-631_xzxz2.PNG245-921_xzxz3.PNG

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