The drawing shows a side view of a swimming pool. The pressure at the surface of

Question

The drawing shows a side view of a swimming pool. The pressure at the surface of the water is atmospheric pressure. The pressure at the bottom of the pool is greater because of the weight of water above it. As a storm approaches, the atmospheric pressure drops. What happens to the pressure at the bottom of the pool? A The pressure at the bottom of the pool decreases by exactly the same amount as the atmospheric pressure decreases. B Nothing happens to the pressure at the bottom of the pool. C The pressure at the bottom of the pool increases. D The pressure at the bottom of the pool decreases, but not as much as the atmospheric pressure decreases.

Explanation / Answer

A The pressure at the bottom of the pool decreases by exactly the same amount as the atmospheric pressure decreases because the weight of the water above the bottom remains constant

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