The 10-lb bar AE is suspended by a cable that passes over a 5-in.-radius drum. Vertical mo...

The 10-lb bar AE is suspended by a cable that passes over a 5-in.-radius drum. Vertical motion of end E of the bar is prevented by the two stops shown. Knowing that µs = 0.30 between the cable and the drum, determine (a) the largest counterclockwise couple M0that can be applied to the drum if slipping is not to occur, (b) the corresponding force exerted on end E of the bar.