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2 cards from this section. Quick, good the night before a test.
Define upward force in your own words.
Think about forces acting in opposite directions.
What role does surface tension play in fluid mechanics?
Consider how droplets behave.
What determines the upward force in a fluid?
Think about what keeps floating droplets stable.
True or False: The downward force is always greater than the upward force in fluids.
Remember the condition for equilibrium.
You have a capillary tube with a radius of 0.01 m. Calculate how high water will rise if the surface tension is 0.072 N/m and density is 1000 kg/m³.
Remember, density and acceleration due to gravity are involved.
Consider a fluid system where the upward force is 1.5 N and the downward force is 1.2 N. What needs to occur for equilibrium?
Think about how forces can be adjusted.
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