The structural steel column shown in figure below is fixed at its base and free at its upper end. At the top of the column, a load P = (15+ 0.05R) kip is applied to the stiffened seat support at an eccentricity of e = 9in. from the cross-sectional x-axis of the I-section shape. %3D Analyze using the AISC equations and allowable stress method to determine whether the column is safe under the applied eccentric load. Assume E = 29000 ksi and øy = 36ksi. The area of cross-section A = 10.45in, the moments of inertia I = 122.67lin" and I,, = 42.692in of the I-section. eccentricity e- 8 in. 0.50 in. 7 in. 0.50 in. 0.35 in. 8 in. L=(180 - 0.5R) in. Cross section

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Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.