From high school geography class, you may remember that "air tends to flow from high pressure to low pressure". To understand why this happens, it is key to realizing that gasses (but also liquids) exert a force on their surroundings because of the thermal motion of the molecules. Learn here about pressure gradients.

Concepts

newton's second law of motion

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Additional Tags

newton's 2nd law, newton's second law, newton’s universal law of gravitation

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)