Solution of task 2.5.4 from the collection of Kepe OE

Solution of task 2.5.4 from the collection of Kepe OE

2.5.4
A homogeneous bar AB is supported at point A on a smooth wall, and at point B on a non-smooth floor. Determine the lowest coefficient of sliding friction between the beam and the floor, at which the beam will remain in the indicated position at rest. (Answer 0.50)