Moment of inertia

The Moment of inertia is an important subject in statics, The posts include how to find the proofs of the values of inertia for different common shapes.

23-Video for Ixy for an isosceles triangle.

Video for Ixy for an isosceles triangle. how to find Ixy value at the left corner and at the CG?

22-Video for Ix and Iy for an isosceles triangle.

Video for Ix and Iy for an isosceles triangle at the left corner. What are the values of ix and Iy at the Cg?

21-Video for Ixy for a triangle.

Video for Ixy for a triangle. How to determine the Ixy for a triangle on the left corner and discover the Ixy value at the CG?

20-Video for Iy at the Cg for a triangle.

Video for Iy at the Cg for a Triangle. Determine the Iy at the Cg for a triangle by deducting the product of the Area by the x bar^2 from Iy value.

19-Video for Iy for a triangle.

Video for Iy for a Triangle. By adding the Iy values from case 1 and case 2 for right angles. How to find ix at the Cg?

18-Video for Ix for a triangle.

Video for Ix for a Triangle. By adding the Ix values from case 1 and case 2 for right angles. How to find ix at the Cg?

17-Video for Ixy at CG-right-angle case 2.

Video for Ixy at CG-right-angle case 2. using the parallel axes theorem we can derive an expression for Ixy at the Cg.

16-Video for a product of inertia-right-angle case 2.

Video for a product of inertia-right-angle case 2. two methods are used to find the product of inertia for right-angle case 2.

15-Video-Iy and polar moment of inertia-right angle-case 2.

Video-Iy and polar moment of inertia-right angle-case 2. Detailed calculations to find the value of Iy at the Cg and also the polar moment of inertia.

14-Video-Use a vl strip to get Iy for right-angle case-2.

Video-Use a vl strip to get Iy for right-angle case-2. derive the value for iy for yaxis is at the left and for the Y axis at the right.determine the radius of gyration for the two cases.

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