[" A cylindrical container of radius' "R" ' and height "],[" 'h' is completely filled with a liquid.Two "],[" horizontal L shaped pipes of small cross- "],[" section area' a' are connected to the cylinder "],[" as shown in the figure.Now the two pipes "],[" are opened and fluid starts coming out of "],[" the pipes horizontally in opposite directions."],[" Then the torque due to ejected liquid on the "],[" system is: "]