1 m3 of air at the Earth’s surface weighs 1290g at an altitude of 12km – 319g at an altitude of 40km – 4g.

1 m3 of air at the Earth’s surface weighs 1290g at an altitude of 12km – 319g at an altitude of 40km – 4g. How can these facts be explained?

In this case, everything is related to the force of gravity. The farther from the earth, the weaker the force of gravity. And naturally the air becomes thinner. Or its density decreases and therefore it weighs less. Simply put, there are fewer air molecules in 1 m3.



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