Buoyancy questions: Submerged vs Floating

AI Thread Summary
Submerged objects differ from floating objects primarily in how buoyancy forces act on them; floating objects experience a balance between buoyant force and gravitational force, while submerged objects are fully supported by buoyancy but may not float. A submerged object is one that is entirely below the surface of a fluid, and its buoyancy is determined by the volume of fluid displaced. Volume plays a critical role in buoyancy because it directly affects the buoyant force, which is equal to the weight of the displaced fluid. The equations provided relate to calculating net forces and buoyancy based on mass, volume, and fluid density. Understanding these concepts is essential for grasping buoyancy and succeeding in related coursework.
PhysicsTyro
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Is there a difference in submerged objects and floating objects? I know in floating objects that the Force of Buoyancy has to equal the Force of the object, but I'm not sure about submerged objects. What exactly is a submerged object?

Another question I have: what exactly does volume have to do with buoyancy?

Lastly: I was given three equations and I wanted to know when and how I used them:

Fnet = pVdisplacementg

Fnet = mg-pVg

mg = pVg (or m=pV)

All help is appreciated and sorry if these questions seem rather like 'duh' questions, but I simply don't understand buoyancy and I don't want to fall behind in class.
 
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