Solution of task 2.2.13 from the collection of Kepe OE
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2.2.13
The forces F1 = 4H, F2 = 5Н, F3 = 8Н, F4 = 2H are applied to the rectangle. Determine the main moment of the given system of forces with respect to the point A, if the distance l = 1 m, the angle? = 30 °. (Answer 6.89)