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2 cards from this section. Quick, good the night before a test.
Define shear stress.
Think about forces acting on surfaces.
What is viscosity?
Consider how thick or thin a fluid is.
What is the correct equation for Newton's law of viscosity?
Consider what relation stresses have with velocity in fluids.
True or False: Non-Newtonian fluids exhibit constant viscosity.
Recall the examples of fluids we discussed.
If the dynamic viscosity of a given fluid is 0.015 Pa.s and the velocity gradient is 3 s^-1, what is the shear stress?
Keep the equation for shear stress in mind.
Describe the flow behavior of a non-Newtonian fluid under varying shear rates and provide an example.
Think about common kitchen items for examples.
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