A drum of 80-mm radius is attached to a disk of 160-mm radius. The disk and drum in have a...

A drum of 80-mm radius is attached to a disk of 160-mm radius. The disk and drum in have a combined mass of 5 kg and combined radius of gyration of 120 mm. A cord is attached as shown and pulled with a force P of magnitude 20 N. Knowing that the coefficients of static and kinetic friction are µs = 0.25 and µk = 0.20, respectively, determine (a) whether or not the disk slides, (b) the angular acceleration of the disk and the acceleration of G.

Fig. P16.99