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

A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from o

1.	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
A.	40 kg
B.	60 kg
C.	10 kg
D.	100 kg.
Answer» D. 100 kg.

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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

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