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The net pressure in the first instance is the gauge pressure,
Pressure downward = P+pgh and upward =P; net pressure =pgh
Second case
Pressure downward = P+pgh
The difference between the case 1 and 2 is the atmospheric pressure,is this how you'd solve this problem?
If I want to take the ratio, case1 :2 it will be 3/4
Pressure downward = P+pgh and upward =P; net pressure =pgh
Second case
Pressure downward = P+pgh
The difference between the case 1 and 2 is the atmospheric pressure,is this how you'd solve this problem?
If I want to take the ratio, case1 :2 it will be 3/4