Solution of task 2.2.12 from the collection of Kepe OE
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2.2.12
Forces of F1 = 12H, F2 = 4H, F3 = 2H are applied to the vertices of a right triangle. Determine the value of the angle a in degrees, for which the principal vector of this system of forces is parallel to the Oy axis. (Response 60.0)