Support Reactions: Forces at A & D

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Homework Help Overview

The discussion revolves around the analysis of support reactions at points A and D in a structural framework, specifically examining the forces acting on members ADE, ABC, and FDB.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore whether the forces at points A and D are the same for different members and question the relationship between these forces. There is an inquiry into the nature of forces acting at point A and their dependence on the members involved.

Discussion Status

The discussion is ongoing, with some participants suggesting that the forces at point A for members ADE and ABC are different, while others are questioning the relationship between these forces. There is a consideration of the fixed nature of point A and its implications for the forces involved.

Contextual Notes

Participants are navigating assumptions about the fixed point A and the interactions of forces from different members, indicating a need for clarity on how these forces are defined and related in the context of the problem.

princejan7
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Homework Statement



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Are the forces at A the same for members ADE and member ABC?

Likewise, are the forces at D the same for members FDB and ADE?
 
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princejan7 said:
Are the forces at A the same for members ADE and member ABC?

Likewise, are the forces at D the same for members FDB and ADE?
Not sure what you're asking. There are forces at A due to members ADE and ABC, but those two forces will be different.
 
haruspex said:
Not sure what you're asking. There are forces at A due to members ADE and ABC, but those two forces will be different.

So for their FBD's, the forces at A will be different for member ADE, ABC, and the frame as a whole?

Are these forces at A related?
 
Since A is a fixed point, I don't think the forces are related over there. You can probably assume that any force acting on that point of either rod will be counteracted by the ground.
 

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