Last Updated on September 8, 2026 by Maged kamel
Video for Ixy for a rectangle section.
How do we get the expression for Ixy for a rectangle section? There are three methods to get the product of inertia. The first method is by creating two axes, x’ and y’, passing through the Cg, and taking the inertia for each of the four parts about the Cg. The second method is to use a horizontal strip and integrate. The last method is to use a rectangular strip and integrate.
Timestamps
- 0:00 – The product of inertia for a rectangle.
- 4:31-The final value of the product of inertia at the Cg of a rectangle.
- 5:01- The second method used to get the value of the product of inertia for a rectangle
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The related post is Post 5: Easy approach for the Product of inertia Ixy for a rectangle.
There is a newly added video, 6-Video, for a rectangle section’s- Polar moment of inertia.
There is a calculator for the moment of inertia for different shapes . Here is the link.