Two small balls with masses m and 2m... | Rotational Motion | JEE Main 2026

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JEE MAIN 2026

23-01-2026 S1

Question

Two small balls with masses m and 2 m are attached to both ends of a rigid rod of length d and negligible mass. If angular momentum of this system is L about an axis (A) passing through its centre of mass and perpendicular to the rod then angular velocity of the system about A is :

Select the correct option:

A

$\frac{3}{2} \frac{L}{m d^2}$

B

$\frac{2 L}{m d^2}$

C

$\frac{4}{3} \frac{L}{m d^2}$

D

$\frac{2 L}{5 m d^2}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

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