Buoyant Force

Question

Magnitude of buoyant force equals weight of:

RankGuru · Accepted Answer

Archimedes' Principle states that any body completely or partially submerged in a fluid experiences an upward buoyant force ($F_b$).
- The magnitude of this force is exactly equal to the **weight of the fluid displaced** by the body.
$F_b = V_{submerged} \cdot \rho_{fluid} \cdot g$
- If $F_b > W_{object}$, the object floats. 
- If $F_b < W_{object}$, the object sinks.

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Buoyant Force

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