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The viscous force acting between two layers of a liquid is given by F/A = - η(dv/dz) This F/A may be called(a) pressure (b) longitudinal stress(c) tangential stress (d) volume stress. |
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Answer» (c) tangential stress Explanation: The force of viscosity acts between layers of the liquid and it acts along the surface. Thus F/A may be called tangential stress. |
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