The portal frame shown in the figure is subjected to a uniformly distributed vertical load $w$ (per unit length).
The bending moment in the beam at the joint ‘Q’ is
- zero
- $\dfrac{wL^2}{24}$ (hogging)
- $\dfrac{wL^2}{12}$ (hogging)
- $\dfrac{wL^2}{8}$ (sagging)