If air pressure pushes down on surface of water, then what third law force?

  • Thread starter Thread starter qwerty
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Q

qwerty

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pushes back against the air?
Also why do we factor in atm pressure underwater? (there is no air underwater, so why shouldnt the Pressure equation be
P = rho*g*h
instead of P = Pnaught + rho*g*h ?



at a particular depth is atm press
please ignore that last part
 
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