Loads 1 and 2 hanging on the ropes wound on the drum step. Determine a vertical component of reaction kN hinge A, if the radius R = 2r, the angle a = 30 °, the weight of the load 1 is 20 kN. The system is in equilibrium.

after payment you will receive the solution of 2.4.25 (Chapter 1 - statics topic - 2.4: Balance arbitrary plane system of forces.) In theoretical mechanics from the 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.