Hydrostatic pressure

  • #1
We are interested in pressure along green axis in the first picture and along orange axis in the second picture.
Air pressure is constant everywhere.

For the first case:

under water surface:
p = patm + ro.g.h

patm = 105 Pa = 105 kg.m-1.s-2
ro = 103 kg.m-3
g = 10 m.s-2
h = 1-x

above water surface:
p = patm

So we have
for 0 <= x <= 1: p = 100000 + 10000(1-x)
for x>=1: p = 100000

Graph for the first case is in third picture.

How is it for the second case?
 

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Answers and Replies

  • #2
Is it like this for the second case? (see picture)
 

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