Question: The winch shown at C in Figure is reeling in cable at a constant rate & S. Bar AB of length L and mass M initially starts from rest in contact with the horizontal surface. The Coulomb dynamic friction coefficient between the bar and ground is μd.
Tasks: (a) Select coordinates and state the required kinematic-constraint relationships.
(b) Draw the required free-body diagram and identify the unknowns.
(c) Obtain the equations of motion, and identify the unknowns
(d) State the equations for your unknowns in matrix format