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Shear stress is stress that is applied parallel or tangential to the face of a material this is why fluids take the shape of their containers. Based on a control volume analysis for the dashed box, answer the following. Like any mathematical model of the real world, fluid mechanics makes some basic assumptions. The pressure at a point in a fluid at rest does not depend on direction as long as no shearing stresses are present pascals law. From basics to the millennium problem laurent schoeffel 3 1. Continuum mechanics fluid mechanics solid mechanics newtonian nonnewtonian plastic elastic rheology.
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