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Moment Of Inertia Of A Ring MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET

Quick Facts

Moment of inertia of a RING is considered one of the most asked concept.
9 Questions around this concept.

Solve by difficulty

Moment of inertia of a circular wire of mass M and radius R about its diameter is

A

$MR^{2}/2$

B

$MR^{2}$

C

$2MR^{2}$

D

$MR^{2}/4$

Concepts Covered - 1

Moment of inertia of a RING

Let I=Moment of inertia of a RING about an axis through its centre and perpendicular to its plane

To find out I Consider a ring of mass M, radius R and centre O.

Take an elementary portion of the ring of mass dm and length dx.

So, $dI=dm.R^2$

And, $I=\int dI=\int dm*R^2=R^2\int dm=MR^2$

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Moment of inertia of a RING

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