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3 cards from this section. Quick, good the night before a test.
What is the formula for hydrostatic pressure?
Think about the variables involved in calculating pressure.
What does buoyant force depend on?
Relate this to Archimedes' principle.
What is the hydrostatic pressure at a depth of 3 meters in water? (Assume ρ = 1000 kg/m³, g = 9.81 m/s²)
Make sure to convert the units as necessary.
True or False: The buoyant force acting on a submerged object is equal to its weight.
Think about how buoyancy works.
A cube of side 30 cm is fully submerged in water. Calculate the buoyant force and discuss its impact if the cube has a mass of 20 kg.
Remember that buoyant force equals weight of fluid displaced!
Design a rectangular gate (1.5m x 2m) under a water tank and calculate the force acting on it at a depth of 1m. Discuss how the pressure distribution affects the required force.
Don't forget to consider the force's line of action for equilibrium analysis!
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