Practice Assumptions In Fluid Mechanics (2.3.3)

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6 sample questions

Question 1.
What is the definition of equilibrium in fluid mechanics?
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Think about the balance of forces.
Question 2.
Define Surface Tension.
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Consider how droplets form.
3Question 3.
What is Pascal's law?
- A law concerning gases only
- A law that states pressure changes are transmitted uniformly in fluids
- A law pertaining to solids only
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Remember how pressure affects different fluids.
4Question 4.
True or False: Surface tension increases with the increase in temperature.
- True
- False
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Think about how heat affects liquid properties.
Question 5.
A cylindrical container of diameter 0.1 m is filled with water, and the water reaches a height of 0.5 m. Calculate the hydrostatic pressure at the bottom of the container.
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Apply the hydrostatic pressure equation.
Question 6.
If the surface tension of a liquid is 0.072 N/m and the contact angle is 30 degrees in a capillary tube of radius 0.002 m, calculate the height of the liquid column.
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Remember to convert the angle to radians if necessary.

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