Strange Phenomenon in 3-Beam Structure Analysis

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Homework Help Overview

The discussion revolves around the analysis of a structure composed of three beams connected by joints, focusing on the forces acting on the beams and the discrepancies in calculated values for reactions at different sections. Participants are examining the effects of isolating beams and the implications of joint forces in structural analysis.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants discuss the results obtained from isolating different beams and the resulting forces, questioning the consistency of force directions at joints. There are attempts to clarify the application of the right-hand rule and the implications of Newton's third law in their calculations.

Discussion Status

There is an ongoing exploration of the relationships between forces at joints, with some participants providing guidance on the correct application of principles. Multiple interpretations of force directions are being examined, particularly regarding how forces at joints can differ based on the beam being analyzed.

Contextual Notes

Participants are working under the constraints of homework guidelines, which may limit the information available for their analyses. There is a noted confusion regarding the behavior of forces at joints and how they relate to the overall structure, as well as discrepancies between personal calculations and those provided in solution manuals.

  • #31


Thanks Ser, just about to turn in. I was just worried about the right scores, I was aware of missing the moment and probably other vectors in my sketches, but will correct them for sure, thanks. Talk to you tomorrow ;)
 
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  • #32


Femme_physics said:
Thanks Ser, just about to turn in. I was just worried about the right scores, I was aware of missing the moment and probably other vectors in my sketches, but will correct them for sure, thanks. Talk to you tomorrow ;)

One more thing, on your first page you still mention ∑MC instead of ∑MA.

But for the scores you get the Serena seal of mighty all-physics-like-stuff approval. ;)
 

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