Situation 3: An 8-m long steel column is pinned at the top and fixed at the bottom. The column is provided with lateral support at mid-height in the weak direction. Properties: k = 178.1 x 106 mm ly = 18.8 x 106 mm A = 8129 mm2 7. Determine the critical slenderness ratio. a. 38 c. 27 b. 83 d. 41 Find the critical buckling load. a. b. 8. 9270 kN с. 2190 kN 4730 kN d. 2310 kN Compute the minimum length of the column for which the Euler's formula is valid if the proportional limit of the steel used is 320 MPa. 9. а. 7.5 m с. 10.7 m b. 15.1 m d. 11.8 m

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Stress transformation

The term stress indicates the measure of internal forces that develop due to an external force's application on an object. When a specific external force is applied to an object, internal stress generates in the material. The value of stress can obtain by taking the ratio of the externally applied force and cross-sectional area of the object. There are different types of stress depending on the type of external force.