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Question: two straight bars are connected by pins and are...

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[] Two straight bars are connected by pins, and are subjected to vertical compressive force P, as shown The two bars have the same length l , Youngs modulus E, and cross sectional area A in Fig. 3. as each other. Let I be the moment of inertia of the cross section. Answer the following questions. (1) Determine axial stress ơ in each bar before buckling. (2) Determine the critical value of P to induce buckling of the bars on the assumption that the two bars have symmetrical buckling modes 20 Fig. 3

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