Last Updated on September 8, 2026 by Maged kamel
Video for Iy at the CG for a triangle.
How do we estimate the moment of inertia in the y-direction for a triangle at the CG as the superposition of the Iy values for two right-angle triangles?
Timestamps for the video:
- 0:00- How do we get the value of Iy at the CG for a triangle?
- 4:05-Derive an expression for x bar for a triangle.
- 6:45- The final value of Iy at the CG for a triangle.
- 7:25- The final value of the square of the radius of gyration Ky^2 at the CG for a triangle.
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Please refer to the next Video for Ixy at the CG for a triangle.
The previous video is video 19- Video for Iy for a triangle.
The related post is post 14a. How do you get the moment of inertia Iy-at Cg for a triangle?
There is a valuable resource, a calculator to estimate the moment of inertia for variable shapes.