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03-01-2018
Physics

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A spherical inflated balloon is submerged in a pool of water. if it is further inflated so that its radius doubles, how is the buoyant force affected?

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03-01-2018

The buoyant force on a submerged object depends on the object's volume, because that's how much water it displaces.

When you double the radius of a sphere, its volume is multiplied by 8. So if the balloon is kept completely submerged, the buoyant force on it is also 8 times as great as it used to be.

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