Rotational MotionHard
Question
ABC is an equilateral triangle with O as its centre.
represent three forces acting along the sides AB, BC and AC respectively. If the total torque about O is zero then the magnitude of 
is
represent three forces acting along the sides AB, BC and AC respectively. If the total torque about O is zero then the magnitude of is Options
A.2(F1 + F2)
B.F1 + F2
C.F1 - F2
D.
Solution
F2 × x - F3 × x + F1 × x = 0
F3 = F1 + F2
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