A Copper Bar (D = 10 Mm, E = 110 $73 \mathrm { MPa }$

Multiple Choice

A copper bar (d = 10 mm, E = 110 GPa) is loaded by tensile load P = 11.5 kN. The maximum shear stress in the bar is approximately:

A) $73 \mathrm { MPa }$
B) $87 \mathrm { MPa }$
C) $145 \mathrm { MPa }$
D) $150 \mathrm { MPa }$