PROBLEM 2: Consider the structure shown in Fig. 2. A square tube with
L=0.5m
is attached to a rigid structure. A force
F=20kN
is applied axially to the tube (through its centroid). Using a design factor of
n_(D)
=3
, which low-carbon steel metric square tube would you purchase from McMaster-Carr ( McMaster.com)? Choose the least expensive option. What is the resulting safety factor? Figure 2: Hexagonal bar rigidly attached to wall HINT: Go to the McMaster website and search for "Low-Carbon Steel Square Tubes". The item number starts with
6527K^(****)
. You need to determine what
^(****)
is (only consider the metric series). Hand in: Dimensions and product # of the hexagonal beam you selected. Include your calculations. Safety factor.