In this context, the buoyant force equals what?

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Study for the Junior Officer Surface Material Readiness Course Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

In this context, the buoyant force equals what?

Explanation:
Buoyant force is the upward push you feel when an object is in a fluid, and it equals the weight of the fluid that is displaced by the object. This comes from Archimedes’ principle: the fluid must weigh as much as the submerged portion of the object, which gives buoyant force = density of the fluid × gravitational acceleration × submerged volume. In simple terms, the force is the weight of the water that gets displaced, not the volume itself, and not the density alone. This is why objects float or sink depending on whether their weight is balanced by this displaced-water weight.

Buoyant force is the upward push you feel when an object is in a fluid, and it equals the weight of the fluid that is displaced by the object. This comes from Archimedes’ principle: the fluid must weigh as much as the submerged portion of the object, which gives buoyant force = density of the fluid × gravitational acceleration × submerged volume. In simple terms, the force is the weight of the water that gets displaced, not the volume itself, and not the density alone. This is why objects float or sink depending on whether their weight is balanced by this displaced-water weight.

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