Tue September 10, 2013 By: Jisha Mary Thomas

derive a relation between angular momentum and law of inertia. hence define moment of inertia.

Expert Reply
Wed September 11, 2013

We know that

Angular momentum is given by,

L = mv *r

= (mr2)(v/r)

= I?

Where, I = moment of inertia = mr2

? = v/r = angular velocity.

Moment of inertia of a body about a given axis is the sum of the products of masses of all the particles of the body and squares of their respective perpendicular distance from the axis of rotation. It is a rotational analog of the mass of a body.

It is given as

I = MR2

where M is the mass of the body and R is its rotational radius.

Sat November 18, 2017

How to solve it..

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