A ring of radius r and mass m rotates about an axis passing through its centre and…

Physics · JEE Advanced · NTA Exams — Rotational Motion

1. \(m F 0\)
2. \(\frac{1}{2} m r \omega^{2}\)
3. \(m r^{2} \omega^{2}\)
4. \(\frac{1}{2} m r^{2} \omega^{2}\)

Answer

(D) 1 2 m r^ 2 ^ 2

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