According to the fundamental principle of hydrostatics, $P = P_0 + rho g h$. The increase in pressure at a depth $h$ comes exclusively from the weight of the column of fluid per unit area located above.
According to the fundamental principle of hydrostatics, $P = P_0 + rho g h$. The increase in pressure at a depth $h$ comes exclusively from the weight of the column of fluid per unit area located above.
