In the shown equilateral triangle ABC with centre O, forces F₁, F₂ and F₃ act along the directed sides AB, BC and AC. If net torque about O vanishes, find F₃.

Physics · Rotational Motion · torque and rotational equilibrium

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In the shown equilateral triangle ABC with centre O, forces F₁, F₂ and F₃ act along the directed sides AB, BC and AC. If net torque about O vanishes, find F₃.

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