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2 cards from this section. Quick, good the night before a test.
What is gauge pressure?
Think about how pressure is measured.
Define buoyant force.
Remember Archimedes' principle.
What happens to pressure in a fluid as depth increases?
Think about why swimmers feel pressure while diving deeper.
Buoyant force is determined by the weight of the fluid displaced.
Recall what Archimedes discovered about floating objects.
A triangular plate is submerged in water at a 30° angle. The top edge is at a depth of 3 meters. Calculate the resultant force acting on the plate.
Break it into sections where pressure can be considered constant.
A cylindrical float has a radius of 0.5 m submerged to a depth of 2 m. Find the buoyant force acting on it.
Remember to convert volume into weight using fluid density.
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