Forces in a Truss: Solve for AB Force

[canicon25]

[PLAIN]http://img109.imageshack.us/img109/3825/truss3.jpg
I am having some problems with this one. Can I section the truss through members AB, BE and EF to solve for the force in AB, thus disregarding the fixed connections at left? I suppose I could go join by join, but I would like to section if possible.

Any help would be great.

**MODS Can you move this into the homework section. I just noticed your sticky but already created the thread ***

 

[tiny-tim]

hi canicon25!

have you tried finding the reaction force at A and E, by taking components and moments?

 

[canicon25]

i used method of joints and went one by one with this one after all. i think the provided solution is an error; i worked out 36kN twice. typo i think.

 

[PhanthomJay]

Yes, typo.