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4 cards from this section. Quick, good the night before a test.
Define viscous flow.
Think about how thick liquids behave compared to thin ones.
What is natural flow?
Consider examples like rivers or rainwater.
What type of flow is driven by external forces?
Consider how pumps or fans operate.
True or False: Viscous flow is dominated by gravity.
Think about what factors affect fluid motion.
Consider a water treatment plant where water flows through pipes and then is discharged into a river. Classify the flow in both scenarios (piping vs flowing river) and justify your reasoning.
Think about what distinguishes the behaviors of water in pipes versus the river.
A gardener waters plants using a hose connected to a faucet. How does the fluid flow differ when he turns the faucet halfway versus fully? Classify these scenarios based on steady and unsteady flows.
Observe how the flow rates change when adjusting the faucet and relate it back to steady vs unsteady.
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