Determine the maximum force (P) and the corresponding maximum total strain energy stored in the truss without

Question:

Determine the maximum force \(P\) and the corresponding maximum total strain energy stored in the truss without causing any of the members to have permanent deformation. Each member has the cross-sectional area of \(8.0\left(10^{3}\right) \mathrm{mm}^{2}\) and is made of A-36 steel.

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