I need your help to solve a question !
the attchement is a part ,whose material is concrete and it is full of water .
load: gravity (9.81 m/s2, -Y direction );uneven water presure which varies with depth;
restriction:the red ,green ,yellow face are fixed;
(note:concrete and water density are 2300kg/m3,1000kg/m3 respectively;
question:what is the Result Moment of the center of the green face (N.M)?