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Question

A uniform rod of mass 'm' and Length 'L' is rotated about its perpendicular bisector at an angular speed ω. Calculate its angular momentum about its Axis of rotation?


A

ML212ω

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B

2ML212ω

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C

32ML23ω

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D

ML224ω

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Solution

The correct option is A

ML212ω


The situation is depicted in the figure shown,

As we know, for this rigid body,

|L| = Iω

= ML212ω {where I = moment of Inertia of rod about its axis of rotation}


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