Задача 00049.

The homogeneous beam AB rests at point A on a smooth wall, and at point B on a non-smooth floor. Determine the smallest coefficient of sliding friction between the beam and the floor, at which the beam will remain in the indicated position at rest.

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.