Solution of task 1.2.25 from the collection of Kepe OE

Solution of task 1.2.25 from the collection of Kepe OE

1.2.25
One end A of a curved bar AB of weight 5H is fixed in hinge A, and to the other
End In the rope is tied BC. Determine the reaction of hinge A if the angle? = 45 °. (Answer 3.54)