Question
The hollow, closed-section beam structure is made from two aluminum channels with Ga= 3.75-10 psi and two horizontal titanium plates with G= 6.25-106 psi. The dimensions are: a = 1.0in, ta = 0.1 in and tr= 0.2in. A torque 7: = 1000/bf-in is applied at the cross section of the beam as shown. Obtain: a) Am- an area encl
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