Water passing through the elbow pipe shown in the figure is exposed to $100$ kPa static tool pressure. The flow rate of water draining from section B is QB $=0\mathrm{.}2$ m$3/$s$,$ the density of the water is $1000$ kg$/$m$3$ and the mass of the water$-$filled elbow is $20$ kg$.$ G in the figure represents the center of gravity. Determine the components of the reaction forces occurring in section A$,$ which is the junction of the elbow. For the torque, consider point O$.$

 

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Va 100 mm 100 mm 125 mm G 300 mm 100 mm B Vb Va 100 mm 100 mm 125 mm G 300 mm 100 mm B Vb