The following was originally published June 4, 2011 at http://aero103.blogspot.com/2011/06/853-team-5.html
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Fx=9KN Fy=-13KN
Mx=5200N.M My=3600N.M
A=(2)(150)(13)+(13)(75-26)=4537*10-6m2
Ix=2112150133+1501337.5-6.52+1121375-263=3.9303*10-6m4
Iy=7.3215*10-6m4
For point A
Qx=Qy=0
For point B
A*=1360=780mm2
x=-45mm y=31mm
∴Qx=24.18*10-6m3
Qy=-35.1*10-6m3
At point A
σA=MxYIx-MyxIy=86.5MPa
τA=0
At point B
σB=MxYIx-MyxIy=57MPa
τB=VxQyIyt+NyQxIxt=9.47MPa
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