Question

define equivalent twisting moment and equivalent bending moment

Answer 1

Hey.

Here is the answer.

Equivalent twisting moment :

A twisting moment which, if acting alone, would produce in a circular shaft a shear stress of the same magnitude as the shear stress produced by a given twisting moment and a given bending moment acting simultaneously.

Equivalent bending moment :

A bending moment which, acting alone, would produce in a circular shaft a normal stress of the same magnitude as the maximum normal stress produced by a given bending moment and a given twisting moment acting simultaneously.

Thanks .