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2 cards from this section. Quick, good the night before a test.
Define conservation of momentum.
Think about how a ball keeps rolling unless acted on by a force.
What is a control volume?
It's like a box you imagine around a section of fluid.
What does the conservation of momentum principle state?
Think about rolling objects.
True or False: Body forces are always attributed to external influences on a fluid.
Consider whether they exist without an external cause.
You have a tank filled with water that drains from a spout. Calculate the changes in momentum as water exits the spout.
Consider how fast the water is flowing out.
Design a control volume for airflow around a plane wing and predict pressure distributions using momentum conservation equations.
Focus on how the wing shape affects airflow patterns.
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