8.20 At a certain point on the outside of a shaft, which is subjected to a torque, and a bending moment the shear stresses are 100 MN/m2 and the longitudinal direct stress is 60 MN/m2 tensile. Find, by calculation from first principles or by graphical construction, which must be justified: (a) the maximum and minimum principal stresses. (b) the maximum shear stress. (c) the inclination of the principal stresses to the original stresses. Summarize the answers clearly on a diagram, showing their relative positions to the original stresses.

8.20 At a certain point on the outside of a shaft, which is subjected to a torque, and a bending moment the shear stresses are 100 MN/m2 and the longitudinal direct stress is 60 MN/m2 tensile. Find, by calculation from first principles or by graphical construction, which must be justified: (a) the maximum and minimum principal stresses. (b) the maximum shear stress. (c) the inclination of the principal stresses to the original stresses. Summarize the answers clearly on a diagram, showing their relative positions to the original stresses.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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