#### ABC is an equilateral triangle with O as its centre  ,  and represents three forces acting along the sides AB, BC and AC respectively. If the total torque about O is zero the magnitude of  is: Option 1) Option 2) Option 3) Option 4)

As we learnt in

Torque Experienced by the dipole -

- wherein

Taking anticlockwise torque

Option 1)

Correct

Option 2)

Incorrect

Option 3)

Incorrect

Option 4)

Incorrect