A thin circular ring of mass M and radius r is rotating about its axis with a constant angular velocity $\omega $. Four objects each of mass m, are kept gently to the opposite ends of two perpendicular diameters of the ring. The angular velocity of the ring will be :

Question

${{M\omega } \over {4m}}$

${{M\omega } \over {M + 4m}}$

${{\left( {M + 4m} \right)\omega } \over M}$

${{\left( {M - 4m} \right)\omega } \over {M + 4m}}$

Solution

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