Table of Contents

## What is the moment of inertia for Circle?

Moment of inertia of a circle or the second-moment area of a circle is usually determined using the following expression; I = π R4 / 4. Here, R is the radius and the axis is passing through the centre. This equation is equivalent to I = π D4 / 64 when we express it taking the diameter (D) of the circle.

## What is rectangular moment of inertia?

When we take a situation when the axis passes through the centroid, the moment of inertia of a rectangle is given as: I = bh3 / 12. Here, b is used to denote the rectangle width (the dimension parallel to the axis) and h is said to be the height (dimension perpendicular to the axis).

**How do you find the moment of inertia of a quarter circle?**

Moment of inertia of quarter circle of radius ‘r’ about ‘x’ axis passing through centroid is :

- IX = 0.055r4
- IX = 0.11r4.
- IX = 0.4r4.
- None of these.

### What is the moment of inertia of rectangular section about an horizontal axis through CG?

Clarification: The moment of inertia of a rectangular section about an horizontal axis through C.G is bd3/12.

### What will be the moment of inertia of a circle in cm4 of diameter is 10 cm?

491.07 cm4

6. What will be the moment of inertia of a circle in cm4 of diameter is 10cm? = 491.07 cm4.

**What is the moment of inertia of a circular section about an axis perpendicular to the section?**

The perpendicular axis theorem states that the moment of inertia of a planar lamina (i.e. 2-D body) about an axis perpendicular to the plane of the lamina is equal to the sum of the moments of inertia of the lamina about the two axes at right angles to each other, in its own plane intersecting each other at the point …

## What is the moment of inertia of a uniform rigid rectangular wire frame about its diagonal?

M.I. of rectangle about its diagonal is given by m/24 (l^2+b^2).

## What will be the moment of inertia of a circle in cm4 of diameter 10cm A 340 B 410 C 460 D 490?

6. What will be the moment of inertia of a circle in cm4 of diameter is 10cm? = 491.07 cm4.

**What is the moment of inertia of a rectangular section about a horizontal axis through CG?**

Explanation: The moment of inertia of a rectangular section about an horizontal axis through C.G is bd3/12.

### What is the moment of inertia of a rectangular section about a horizontal axis passing through base?

Clarification: The moment of inertia of a rectangular section about an horizontal axis passing through base is bd3/3.