Solution of task 1.2.21 from the collection of Kepe OE
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1.2.21
The horizontal bar weighing 200N is kept in balance by means of the hinge B and
Rope DE, forming an angle? = 150 ° with the side BD. Determine the reaction of the hinge B, if
The ratio of linear dimensions of 4 AB = AC is known. (Answer 200)