Is the Ix or Iy axis in the moment of inertia or/and the Wx or Wy axis in the section modulus of the wide flange has more to do with torsion resistance? Which, Ix, Iy, Wx, Wy is more related to torsion resistance?
See the animation of the torsion in:
https://en.wikipedia.org/wiki/I-beam
Most...