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3 cards from this section. Quick, good the night before a test.
What happens to hydrostatic pressure as depth increases?
Think about the weight of the water column above.
Define what a centroid is in the context of fluid mechanics.
It's the average location of the shape's area.
How does hydrostatic pressure vary with depth?
Think about what happens when you go deeper underwater.
What shape does the pressure distribution take on a vertical submerged wall?
Consider how pressure is felt differently at different heights.
Calculate the total hydrostatic force acting on a submerged rectangular surface of 2m x 5m at a depth of 3m, considering water density is 1000 kg/m³ and g = 9.81 m/s².
Break down the calculation into parts: find the pressure, then multiply it by the area.
You have a vertical submerged wall with a depth of 4m. How do you find the center of pressure? Why is it below the centroid?
Consider that the weight of the water contributes more force at deeper sections.
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