Two uniform rods of equal length but different masses are rigidly joint to form an L-shaped body, which is then pivoted as shown. If in equilibrium, the body is in the shown configuration, ratio M m will be

Question

Two uniform rods of equal length but different masses are rigidly joint to form an L-shaped body, which is then pivoted as shown. If in equilibrium, the body is in the shown configuration, ratio M m will be, 2, 3, 2, 3

MARKS App · Accepted Answer

Net torque about O should be zero. Hence mg l 2 sin 60° = Mg l 2 sin 30° ∴ M m = sin 60° sin 30° = 3

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