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Q. Atmospheric pressure exerted on earth is due to the which of the following reasons?
Answer: Gravitational pull
Notes: The atmospheric pressure at the surface of the Earth is due to gravitational pull of the earth and is about 14.7 psi. That means that the weight of a column of air which has a cross section of 1 square inch and which stretches from the surface of the Earth to space is 14.7 pounds.
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📌 Question Number: 20 in Physics GK 09 - Pressure in the above course in App.

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