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Truss problem, help!

truss problem, urgent help!

Hey guys i need help with setting up this truss problem 6.30 which can be seen here,
http://www.mustangmods.com/data/16002/study1.jpg

I know the stress in bc is 10.4ksi (tension) and that the safety facotr for it from 1020 steel is 4.038, I just need help figure out how to figure out that the stress is 10.4ksi. thanks
 

Answers and Replies

lightgrav
Homework Helper
1,248
30
The Tension in CD is easy; find it.
Isolate upright member CE (Moments around pin E).
 

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