Solution of task 5.5.3 from the collection of Kepe OE

Solution of task 5.5.3 from the collection of Kepe OE

5.5.3
To the cube forces F1, F2, F3 and F4 are applied which are balanced by the force R. Determine the distance b of the force R from the plane Oxz if the cube edge is a = 1m, F1 = F2 = 15H, F3 = F4 = 5H and R = 40 N. ( Answer 0.25)