Why does diving 30m below sea level affect our bodies more than being in a building 30m above sea level?
1 Answer
Mar 4, 2017
It's a matter of external pressure exerted upon us.
Explanation:
Going up in the air, the normal air pressure of about 1 atm. goes down. At a height of 30m this will be hardly noticed.
Going down under water, the water pressure adds to this, to an amount of about 1 atm per 10 m water.
External pressure: 30 m above ground
External pressure: 30 m under water:
