Problem 9.22 - Beam Design

Problem Statement

A wide-flange beam supports two loads F = 12 kN as shown. If L = 2 m and the allowable stress is σ = 250 MPa, what is the lightest W-beam in Appendix A that could be used for the beam?

Figure 1: A wide flange beam is subjected to two loads.

[Problem adapted from © Kurt Gramoll CC BY NC-SA 4.0]