Find the total deformation for the bar shown in fig. if the axial loads are applied if cross section area is ?450 mm2 and E=83 GPa 90 kN 30 kN 40 KN 20 KN 1000 mm- 750 mm- +750 mm-

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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.