Force F1 = F2 = F3 = 30 directed along three mutually perpendicular axes. Can they be balanced force F4 = 51,96 H?

Immediately after payment you will receive a link to the zip file with the solution of the problem 1.4.1 (Chapter 1 - statics topic - 1.4: Equilibrium spatial system converging forces) on the theoretical mechanics of collection of short tasks Kep OE, JA Viba, OP Grapis, JA Svetinysh and others. Publishing Moscow / Graduate School / 1989, 2009, 2012. The task is made in the format word (typed or hand-written decision in a Word) or in manuscript form in the format gif, packed to the archive zip (open on any PC) .After checking the solutions would be very grateful if you leave your positive feedback.