Q#3. An aluminium strut 14 ft long has a rectangular cross section 2 in by 3.5 in. A bolt through each end secure the strut in such a way that is acts as hinged column about an axis perpendicular to 3.5 in dimension; and as fixed column about an axis perpendicular to 2 in dimension. Determine the safe central load with a factor of safety of 2 and E= 10300000 psi.
Also discuss in detail about the governing column capacity and reasons behind it.
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