Задача 11150.

A horizontal bar weighing 200 N is held in balance by means of a hinge B and a rope DE forming an angle of 150 ° with the side BD. Determine the reaction of the hinge B, if the ratio of the linear dimensions 4AB = AC is known.

A detailed solution with a brief description of the condition, formulas and laws used in the solution, the derivation of the formula and the answer.
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