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What is the relationship between shear stress and velocity gradient in a Newtonian fluid?
Wiki User
∙ 12y ago
linear
Wiki User
∙ 12y ago
In a Newtonian fluid, shear stress is directly proportional to the velocity gradient. This relationship is described by Newton's law of viscosity, which states that the shear stress (τ) is equal to the viscosity (μ) of the fluid multiplied by the velocity gradient (du/dy). Mathematically, this relationship can be represented as τ = μ*(du/dy).
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