2A. A copper rod and two steel rods together support a load of W=410 kN as shown in figure. The cross sectional area of copper rod is 2000 mm² and of each steel rod is 1000 mm². Find the stresses in the rods and total deformation of the compound bar. Take Es = 2 x 10$ N/mm² and Ecu = 1 x 10° N/mm?. W Steel 100 mm Copper 50 mm FIG. Q.No. 2A

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.