A mass of 6kg is suspended by a rope of length 2m from ceiling. A force of 50N in the horizontal is applied at mid point of the rope. The angle rope makes with vertical in equilibrium is
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by sin rule
50/sin(180-theta) = 60/sin (90+theta)
50/ sin = 6 / cos
sin / cos = 5/6
therefore theta = tan^-1 (5/6)
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