Answered: How can we find the location of the…

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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How can we find the location of the neutral axis?

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When a bending moment is applied on a beam, normal stresses are set up in its cross-section due to the bending of the beam. Due to bending (sagging or hogging), the beam's fibres undergo a change in length in such a way that if the upper fibre experiences elongation the bottommost fibre experiences compression and vice-versa. Thus, there is a fibre within the beam that doesn't show any change in length and thus doesn't show any strain. This fibre is said to lie on the neutral axis of the beam.

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