Rotational Motion: RE-NEET 2026

Medium· Angular Momentum (Angular Momentum of a Rigid Body Rotating about a Fixed Axis)· +4 / −1

A thin horizontal disc is rotating about a vertical axis passing through its fixed centre

O

. Its angular momentum is

L_A

and

L_B

computed about points

A

and

B

, respectively, with

OB = 2 \times OA

. The value of

\frac{L_A}{L_B}

is: Figure: a disc rotating about a vertical axis through its centre

O

. Points

A

and

B

lie on a horizontal line from

O

, with

A

at distance

OA

and

B

at distance

OB = 2\,OA

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