2 - Two concentric cylinders are covered by a rigid plate that carries an axial load, as shown in the figure. Both cylinders are the same length before the load is applied. What rise in temperature is needed such that the entire axial load is carried by the copper cylinder? 200KN Copper cylinder A=6255 mm² E=90GPa x=20×10%/c cover plate Steel cylinder A=1875 mm² E=200 G Pa a=12x10-%C base

Q: FIND PA - PB

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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.