Q$1.(15$ Marks$)$

The beam cross section shown in figure is loaded with

a vertical shear force V$=120$N through its axis of

symmetry. Using thin walled theory;

a$)$ Draw the shear flow pattern on the cross section.

b$)$ Determine the shear flow at the point B$.$

c$)$ Determine the shear flow at the point A$.$

d$)$ Determine the maximum shear flow in the cross

section.