A bracket ABCD having a hollow circular cross section consists of a vertical arm AB (L 5 6 ft), a horizontal arm BC parallel to the x 0 axis, and a horizontal arm CD parallel to the z 0 axis (see...

A bracket ABCD having a hollow circular
cross section consists of a vertical arm AB (L 5 6 ft),
a horizontal arm BC parallel to the x₀
axis, and a
horizontal arm CD parallel to the z₀
axis (see figure).
The arms BC and CD have lengths b₁
= 3.6 ft and
b₂
= 2.2 ft, respectively. The outer and inner diameters
of the bracket are d₂
= 7.5 in. and d₁
= 6.8 in.
An inclined load P = 2200 lb acts at point D along
line DH. Determine the maximum tensile, compressive,
and shear stresses in the vertical arm.