Gere & Goodno — Axially Loaded Members: Problem 2.6-1

2.6-1 A steel bar of rectangular cross section (50 mm × 50 mm) carries a tensile load \( P \) (see figure). The allowable stresses in tension and shear are 125 MPa and 76 MPa, respectively. Determine the maximum permissible load \( P_{\max} \).