# 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.

## 27-Two Practice problems for Ixy for trapezium.

The post includes Two Practice problems for Ixy for trapezium. The first problem is for Ixy about an external axis, while the second is for Ixy at the CG.

## 26-Two Practice problems for polar of inertia for trapezium.

The post includes Two Practice problems for polar of inertia for trapezium. The first problem is for Jo and Ko at an external axis, while the second is for Jo and Ko at the CG.

## 25-Two Practice problems for inertia for trapezium.

We have two practice problems for inertia and radius of gyration for a given trapezium. A step-by-step guide to get Ix and kx.

## 24- Ix for the Trapezium second option

Ix for the Trapezium second option, we will use a horizontal strip and integrate it to get the final expression for Ix .

## 23- Product of inertia Ixy for the parallelogram

Product of inertia Ixy for the parallelogram. Step-by-step guide for the estimation for the radius of gyration for the product of inertia.

## 22- Easy illustration of Iy for the Trapezium.

Moment of inertia Iy for the Trapezium, How to get the Iy value for the trapezium? and how to get the polar of inertia?

## 14- A solved problem-inertia value for a given direction.

A solved problem-inertia value for a given direction. how to get Ix’, Iy’and Ix’y’ about new axes that have 30 degrees rotation clockwise.

## 13- A solved problem for Mohr’s circle of inertia case 4.

A solved problem for Mohr’s circle of inertia case 4. In this post, we will introduce a solved problem for Mohr’s circle of inertia case 4. The moment of inertia about X-axis Ix is lesser than the moment of inertia about Y-axis Iy and the product of inertia Ixy is negative. The given solved problem

## 10A-Mohr’s circle of inertia-third case-part 2

The post includes Mohr’s circle of inertia-third case-part 2. The steps used to draw Mohr’s circle of inertia-third case, where Ix>Iy and Ixy is negative.

## 12- Easy Approach to Mohr’s circle of inertia-fourth case.

The post includes Mohr’s circle of inertia-fourth case. How to find the principal two axes’ orientation and the maximum and minimum values of inertia?

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