Consider a steel (Young's modulus E = 200 GP a) column hinged on both sides. Its height is 1.0 m and cross-section is 10mm x 20mm. The lowest Euler critical buckling load (in N) is

5. Determine the allowable axial load PA for a W250 x 67 steel wide-flange column with pinned ends (see figure below) using a Factor of Safety n=1.5 for the following lengths: L-3 m, 5m, 8 m and 10 m. Assume E-200,000 MPa, and G-300 MPa. 7 L A Pl A ISTE Section A-A

Consider the steel truss and member cross-section presented in figures below. All the members of the truss have the same cross-section as shown in the figure to the right. They all also have a Young's Modulus of 210 GPa. What can the highest value of force F be before member AC fails by buckling? Force 1AN - 300 mm 40° 4 m $35 mm 7m 300 mm 8 m 35 mm 35 mm 35 mm Please provide your answer in kN.

A solid circular brass rod is subjected to a compressive axial load of P = 120 kN. The diameter of the rod is d = 30 mm, and its length is L = 1000 mm. After load P is applied, the contraction of the rod is ō = 36 mm, and its diameter becomes d' = 30.360 mm. What is the modulus of elasticity for this material? P L P