A Steel Bar of Rectangular Cross Section (A = 38 $P _ { \max }$

Multiple Choice

A steel bar of rectangular cross section (a = 38 mm, b = 50 mm) carries a tensile load P. The allowable stresses in tension and shear are 100 MPa and 48 MPa, respectively. The maximum permissible load $P _ { \max }$ is Approximately:

A) $56 \mathrm { kN }$
B) $62 \mathrm { kN }$
C) $74 \mathrm { kN }$
D) $91 \mathrm { kN }$