(a) Knowing that sall 5 160 MPa and tall 5 100 MPa, select
Chapter 8, Problem 8.5(choose chapter or problem)
(a) Knowing that \(\sigma_\text{all}=160 \text{ MPa}\) and \(\tau_\text{all}=100 \text{ MPa}\), select the most economical metric wide-flange shape that should be used to support the loading shown. (b) Determine the values to be expected for \(\sigma_m\), \(\tau_m\), and the principal stress \(\sigma_\max\) at the junction of a flange and the web of the selected beam.
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