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4 cards from this section. Quick, good the night before a test.
What is a Newtonian fluid?
Look for examples of fluids in daily life.
Define viscosity.
Think about how thick or runny a substance is.
What is viscosity?
Consider how liquids like water and syrup behave.
True or False: Non-Newtonian fluids exhibit constant viscosity.
Think about how substances like slime behave under different conditions.
A cylindrical container is filled with a Bingham plastic fluid. Calculate the force required to initiate flow if the yield stress is given as 5 Pa and the cross-sectional area of the container is 0.1 m².
Start by using the yield stress definition.
If the viscosity of a liquid decreases by 10% when the temperature is increased from 20°C to 40°C, calculate the new viscosity if the original viscosity was 0.01 Pa.s.
Calculate 10% of the initial viscosity first.
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