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ABC. F1,Fzane 8. O is the centre of an e...

ABC. F1,Fzane 8. O is the centre of an equilateral triangle ABC F, are three forces acting along the sides AB as shown in figure. What should be the magnitude of Fz so that the total torque about O is zero? o F + F₂) (b) (Fı - F2) (c) (F, + F2) (d) 2(F, +F) a) 2

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