PROBLEM: From the figure shown, determine: a. Distance of the centroid from x-axis b. Distance of the centroid from y-axis c. Moment of Inertia about y-axis. d. Centroidal Moment of Inertia about x-axis. L₁ L2 59339 3 2 2 2 2 2 L3 L4 L5 Le h₁ h2 h4 h7 ha |||||||||||||||||||||| = = 11 575 mm 180 mm 75 mm 350 mm mm 100 mm mm mm 120 75 575 75 75 55 mm mm mm mm 50 30 mm L₂ CE

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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.