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Question & Answer
Choose the Best Answer
Pressure decreases with altitude due to the decrease in fluid density.
Pressure increases with altitude because of gravitational pull.
Pressure remains constant regardless of altitude changes.
Pressure decreases with altitude due to the increase in fluid density.
Understanding the Answer
Let's break down why this is correct
When you go higher, there is less air above you, so the weight of the air column is smaller. Other options are incorrect because The idea that gravity pulls the air upward so pressure rises is wrong; Pressure is not the same everywhere.
Key Concepts
Hydrostatic Equilibrium
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Deep Dive: Hydrostatic Equilibrium
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Definition
Hydrostatic equilibrium explains pressure changes with altitude in fluids like liquids and gases. By analyzing density variations, the hydrostatic equilibrium equation helps predict pressure shifts due to height differences, essential in understanding atmospheric pressure variations.
Topic Definition
Hydrostatic equilibrium explains pressure changes with altitude in fluids like liquids and gases. By analyzing density variations, the hydrostatic equilibrium equation helps predict pressure shifts due to height differences, essential in understanding atmospheric pressure variations.
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