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2 cards from this section. Quick, good the night before a test.
Define shear stress in the context of Newtonian fluids.
Remember that it involves fluid motion.
What happens to shear stresses in hydrostatics?
Think about fluids at rest.
What is the relationship between shear stress and strain rate in a Newtonian fluid?
Consider the definition of viscosity.
True or False: In hydrostatics, shear stress is present.
Reflect on fluid behavior at rest.
Derive the equations for shear stress in a Newtonian fluid using Stokes' postulates and demonstrate its application in fluid dynamics.
Focus on relationships between shear and strain rates.
Given a fluid’s dynamic viscosity and strain rate, calculate the shear stress and discuss how changes in viscosity affect the flow.
Link viscosity concepts to real-world applications.
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