The rigid frame is situated in a vertical plane, mounted pivotally at point A and point B is attached to or weightless rod hinged at the ends, to the hinge support or on rollers. At point C to the frame tied rope thrown over the block and bearing on the end of a weight P = 25kN. On the frame are a pair of forces with the moment M = 100kNm and the two forces (see. Table). Determine the reaction ties in points A and B. In the final calculations take a = 0.5 m. Given: a point D: F2 = 20kN; α2 = 15; Point E: F3 = 30KN; α3 = 60.

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