Practice Observations From Japan (2.2) - Equilibrium Conditions - Fluid Mechanics

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6 sample questions

Question 1.
Define equilibrium in fluid mechanics.
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Think of the balance of forces.
Question 2.
What does surface tension do in a liquid?
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Consider how droplets form.
3Question 3.
What defines equilibrium in fluid mechanics?
- Upward force is greater than downward force
- Upward force equals downward force
- There is only upward force
- There is only downward force
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Think about balance.
4Question 4.
Is surface tension significant only in small quantities of water?
- True
- False
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Consider why raindrops are round.
Question 5.
A narrow tube shows water rising due to surface tension. Calculate the height to which water rises given the surface tension of water is 0.072 N/m, the radius of the tube is 0.5 mm, and the density of water is 1000 kg/m^3.
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Consider how surface tension affects height.
Question 6.
Discuss the long-term effects on society when cultural practices, such as diary-keeping, are solidified in education.
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Reflect on examples from your own life.

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