Remember: Select only one tank system to analyse

The hydrostatic experiment drawings can be accessed here.

Raw data

The gate weights are:-

BAY I (rectangular gate): 2.45 N

BAY II (circular gate) : 1.96 N

BAY III (triangular gate) : 2.60 N

These forces act through the points G₁, G₂ and G₃ as shown in the diagram.