Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Conservation of Energy
In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be create…
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How can we find the location of the neutral axis?

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Step 1

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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