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Moment of inertia of parallel axis?

Anonymous

∙ 15y ago

Updated: 12/14/2022

This is known as parallel axes theorem.

Statement:

If IG be the moment of inertia of a body of mass M about an axis passing through its centre of gravity, then MI (I) of the same body about a parallel axis at a distance 'a' from the previous axis will be given as I = IG + M a2

Wiki User

∙ 15y ago

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Q: Moment of inertia of parallel axis?

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The moment of inertia of a solid cylinder is?

the moment of inertia of a solid cylinder about an axis passing through its COM and parallel to its length is mr2/2 where r is the radius.

What increase the moment of inertia?

A rotating body that spins about an external or internal axis (either fixed or unfixed) increase the moment of inertia.

What is the Moment of Inertia of a Rectangle about the axis passed through its diagonal?

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What is the moment of inertia of a cylinder?

(1/2) mr2, assuming the axis of rotation goes through the center, and along the axis of symmetry.

What is meant by Radius of gyration?

It is the square root of ratio moment of inertia of the given axis to its mass.

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Related Questions

If moment of inertia of a body change of axis of rotation?

If the moment of inertia of a body changes due to a change of axis of rotation, the new moment of inertia can be calculated using the parallel axis theorem. This theorem states that the moment of inertia about a new axis parallel to the original axis can be found by adding the mass of the body multiplied by the square of the distance between the two axes.

State and prove the parallel axis theorem?

the moment of inertia of a body about a given axis is equal to the sum of its moment of inertia about a parallel axis passing through its centre of mass and the product of its mass and square of perpendicular distance between two axis Iz=Ix+Iy

What is the proof of the parallel axis theorem?

The proof of the parallel axis theorem involves using the moment of inertia formula and the distance between two axes. By applying the formula and considering the distance between the axes, it can be shown that the moment of inertia of an object about a parallel axis is equal to the sum of the moment of inertia about the object's center of mass and the product of the object's mass and the square of the distance between the two axes.

The moment of inertia of a solid cylinder is?

the moment of inertia of a solid cylinder about an axis passing through its COM and parallel to its length is mr2/2 where r is the radius.

Define radius of gyration state s.i. units of moment of inertia and give its dimensions?

The Radius of Gyration of an Area about a given axis is a distance k from the axis. At this distance k an equivalent area is thought of as a line Area parallel to the original axis. The moment of inertia of this Line Area about the original axis is unchanged.

Why does the solid disk have a greater moment of inertia than the solid sphere, and how can this difference be explained?

The solid disk has a greater moment of inertia than the solid sphere because the mass of the disk is distributed farther from the axis of rotation, resulting in a larger rotational inertia. This difference can be explained by the parallel axis theorem, which states that the moment of inertia of an object can be calculated by adding the moment of inertia of the object's center of mass and the product of the mass and the square of the distance between the center of mass and the axis of rotation.

What is moment of inertia of partially filled tube with liquid and set horizontal rotating about a vertical axis passing through its center?

The moment of inertia of a partially filled tube with liquid rotating horizontally about a vertical axis through its center is affected by the distribution of mass within the tube. The moment of inertia depends on the shape of the tube, the mass of the liquid, the radius of the tube, and the distance of the liquid's center of mass from the rotation axis. The parallel axis theorem can be used to calculate the moment of inertia of the tube and liquid system.

What is the moment of inertia about an axis of rotation body?

The moment of inertia of a body about an axis of rotation is a measure of its resistance to rotational motion. It depends on the mass of the body and how that mass is distributed around the axis of rotation. A body with a larger moment of inertia requires more torque to rotate at the same rate as a body with a smaller moment of inertia.

About which of the coordinate axes does the system have the smallest moment of inertia?

The system has the smallest moment of inertia about the z-axis.

What is the moment of inertia of a rod?

The moment of inertia of a cube depends on what its axis of rotation is. About an axis perpendicular to one of its sides and through the centre of the cube is (ML2)/6. Where M is the Mass of the Cube and L the length of its side. Due to the symmetry of the cube, you can find the Moment of Inertia about almost any other axis by using Parallel and Perpendicular Axis Theorems.

Moment of inertia for triangular section?

The formula for the moment of inertia of a triangular section about its base is (1/36) * base * height^3. This formula assumes the triangular section has its base parallel to the axis of rotation.

What is the value of moment of inertia of ellipse about its centroidal axis?

If an ellipse has a radius A long the x-axis and B along the y-axis (A > B) then the moment of inertia about the x-axis is 0.25*pi*ab^3

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