question_answer

The equivalent bending moment under combined action of bending moment M and torque T is:

A) \[\sqrt{{{M}^{2}}+{{T}^{2}}}\]                   

B) \[\frac{1}{2}\,\sqrt{{{M}^{2}}+{{T}^{2}}}\]

C) \[\frac{1}{2}\,\sqrt{{{M}^{3}}+{{T}^{2}}}\]            

D) \[\frac{1}{2}\,\left( M+\sqrt{{{M}^{3}}+{{T}^{2}}} \right)\]