Question: a ) Consider the statically indeterminate truss shown, determine the internal forces in the members of the truss using the direct stiffness method. b )

a) Consider the statically indeterminate truss shown, determine the internal forces in the members of the truss using the direct stiffness method.
b) Determine graphically the optimal weight W. The allowable stresses in tension and compression are: =+-100MPa,=7800kgm3.
a ) Consider the statically indeterminate truss

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