A homogeneous beam AB, whose weight is 4 kN, at point B rests freely on a horizontal rod SD. Determine in kN the reaction of the movable cylindrical hinge D, if the dimensions BC = VD. Ignore the weight of the SD rod.

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help. File in image format.