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blur, commute, commuting @ Pixabay

The buoyant force is a phenomenon that occurs when an object is floating or submerged in a fluid. When the object is pulled up by gravity, it will have to fight against the buoyant force of the fluid pushing down on it. The more dense the water, such as saltwater, and higher the mass of the object being pushed up (i.e., bucket), then greater amount of energy needed to be exerted to maintain equilibrium. What is the buoyant force? The buoyant force is a phenomenon that occurs when an object is floating or submerged in a fluid. When the object is pulled up by gravity, it will have to fight against the buoyant force of the fluid pushing down on it. The more dense the water, such as saltwater, and higher mass of the object being pushed up (i.e., bucket), then greater amount of energy needed to be exerted to maintain equilibrium. If there were no other forces acting on this bucket, therefore not considering friction with air and ground for example – pulling up would only require less than half its weight: e = Fg/(Fg + Fa) where “Fa” means frictional resistances

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