Question

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Answer 1

Answer:

11th

Physics

Systems of Particles and Rotational Motion

Moment of Inertia

Th moment of inertia of a r...

PHYSICS

Th moment of inertia of a rod of mass M and length L about an axis passing through on edge of perpendicular to its length will be :-

MEDIUM

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ANSWER

Given,

Mass of rod =M

Length of Rod =L

Distance of rods edge from center =

2

L

Moment of inertia of rod at center I

c

=

12

1

ML

2

For moment of inertia at edge apply parallel axis theorem. I

e

=I

c

+M(

2

L

)

2

I=

12

1

ML

2

+M(

2

L

)

2

=

3

1

ML

2

moment of inertia at edge is

3

1

ML

2