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3 cards from this section. Quick, good the night before a test.
What does the mass conservation principle state?
Think about a closed system.
What is the primary equation used for momentum conservation?
Consider Newton's second law.
What is the fundamental principle of mass conservation?
Think about how substances behave in closed environments.
In the momentum conservation equation, what does the sum of forces equal?
It's a fundamental aspect of Newton's laws.
A jet of water with a density of 1000 kg/m³ and a velocity of 15 m/s strikes a stationary wall. Calculate the anchoring force required to hold the wall in place, assuming the area of the jet is 0.01 m².
Remember to apply the momentum change principle.
If a control volume has an inlet mass flow rate of 3 kg/s and an outlet mass flow rate of 2 kg/s, what is the net change in mass in that volume over 5 seconds?
Think of how mass adds or removes over time.
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