Two layers of fluid are dragged along by the motion of an upper plate as shown in figure (1.4). The bottom plate is stationary. The top fluid puts a shear stress on the upper plate, and the lower fluid puts a shear stress on the bottom plate. Determine the ratio of these two shear stresses. 3 mvs Fluid 1 0.02 m 0.4 N stn2. 0.02 0.2 N s Fluid 2 -2 m/s-

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Stress transformation

The term stress indicates the measure of internal forces that develop due to an external force's application on an object. When a specific external force is applied to an object, internal stress generates in the material. The value of stress can obtain by taking the ratio of the externally applied force and cross-sectional area of the object. There are different types of stress depending on the type of external force.