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4 cards from this section. Quick, good the night before a test.
Define resultant force in the context of fluid statics.
Think about the relationship between pressure and area.
What is the formula for pressure at depth?
Consider what happens as you go deeper into a fluid.
What is the formula for resultant force on a plane area?
Review the relationship between pressure and area.
True or False: The center of pressure is always located at the centroid.
Remember how pressure changes with depth.
A submerged triangular surface has a base of 4m and height of 3m. Calculate the resultant force if submerged to a depth of 6m in water (γ = 9.81 kN/m³).
Break it down into steps: calculate area first, then centroid, and finally resultant force using the formula.
You have a circular gate of diameter 2m submerged in water up to a depth of 4m. Find the position of the center of pressure.
Remember to convert the diameter to radius and apply the correct formula for circular areas.
5 more questions in this section. Enroll free to practise them all.
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