Question: A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is
Options
A : 40 kg
B : 60 kg
C : 10 kg
D : 100 kg.
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