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Moment of Inertia

Definition of Moment of Inertia

Moment of Inertia is rotational inertia of a rigid body; the resistance the body has to angular acceleration.

Moment of Inertia in Physics Problems

Moment of Inertia and Rotational Motion

Moment of Inertia Formulae

M is the total mass of the object.

Moment of inertia of a slender rod with axis through centre.


Moment of inertia of a slender rod with axis at one end.


Moment of inertia of a rectangular plane with axis through centre.


Moment of inertia of a rectangular plane with axis along an edge.


Moment of inertia of a hollow sphere with thin walls.


Moment of inertia of a solid sphere.


Moment of inertia of a hollow thin walled cylinder.


Moment of inertia of a hollow cylinder.


Moment of inertia of a solid cylinder.

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