Conjugate Beam M/EI: Explaining Diagrams & Theorem

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The discussion centers on the confusion regarding the diagram of M/EI in the context of the conjugate beam theorem. Users seek clarification on how M/EI represents the distributed load w(x) and why it is depicted in both upward and downward directions. The conjugate beam theorem is referenced, indicating its relevance to understanding beam deflections. Participants emphasize the need for a clearer explanation of the diagram's components and their significance. Overall, the conversation highlights the complexities of interpreting beam diagrams in structural analysis.
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Homework Statement


I don't understand how the diagram of M/EI of conjugate beam drawn , can someone explain about it ? According to conjugate beam theorem ,

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The Attempt at a Solution


i know that the M/EI represent the w(x) , which is force per unit length of the beam . I don't understand why the author draw in in 2 directions ( upwards and downwards) ...
 

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