Point O is the origin: $O = (0, 0, 0)$.
Point B is on the x-axis: $B = (3d, 0, 0)$.
Point A is located at $x = 3d$, $y = -2d$, $z = 0$. So, $A = (3d, -2d, 0)$.
Point C is located at $x = 0$, $y = 3d$, $z = 0$. So, $C = (0, 3d, 0)$.
The load P acts midway between A
Show more…