Method of Joints: Solving for Fab in a Truss Structure

AI Thread Summary
The discussion focuses on solving for the force Fab in a truss structure using the method of joints. The user encounters inconsistencies in their calculations when attempting to solve for Fab at the last two joints. Despite multiple attempts yielding different results, they express uncertainty about their approach. Ultimately, the user resolves the issue and thanks the community for their assistance. The thread highlights common challenges faced in structural analysis and the importance of collaboration in problem-solving.
JeeebeZ
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Homework Statement


Everything is in the PDF
View attachment Mech hw Q 3.pdf


Homework Equations





The Attempt at a Solution



So once I get to the last 2 joints Then all I have left to solve for is Fab.
I get different numbers each way i try to figure it out.
So I know I'm doing something wrong.
Any ideas?
 
Physics news on Phys.org
i got it solved... thanks anyway people
 

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