How does buoyancy change as you go deeper with an inflated ball?

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Buoyancy is the upward force exerted by a fluid, which can be affected by several factors, including depth in the fluid. In the case of an inflated ball submerged in water, buoyancy primarily depends on the volume of fluid displaced by the ball, according to Archimedes' principle.

As you go deeper with the inflated ball, the pressure increases, which can compress the air inside the ball slightly, potentially reducing its volume. However, the amount of water displaced by the submerged part of the ball remains relatively constant, assuming the ball's inflation and external conditions do not significantly change.

The correct answer states that buoyancy increases as you go deeper, which can be understood through the concept of effective volume displacement. While the ball can compress under increasing pressures at great depths, the increase in pressure does not instantly translate to a proportional increase in buoyancy. What is crucial is that as the volume of the ball remains sufficient to displace a considerable amount of water, the overall buoyant force acting on the ball remains effectively high, allowing it to be more buoyant than at shallower depths.

In summary, deeper water increases the pressure on the ball and changes its volume slightly, but the key principle is that buoyancy, derived from how much

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