Solution of task 3.3.4 from the collection of Kepe OE
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3.3.4
The articulated quadripartite, whose weight can be neglected, is in equilibrium. Determine the force F. If a pair of forces is applied to the crank OA with a moment M = 10 N · m, and the dimensions OA = 10 cm. BC = CD, angle? = 30 °. (Answer 400)