Solution of task 2.1.10 from the collection of Kepe OE

Solution of task 2.1.10 from the collection of Kepe OE

2.1.10
To the rod AB, fixed in the hinge A, the rope BD with the load 1 is tied.
Determine the force F necessary to keep the rod in balance if the angle? = 60 °, the weight of the load is 2H, the distance AC = BC.
(Answer 4.0)