Concept explainers
15.113 and 15.114 A 3-in.-radius drum is rigidly attached to a 5-in.- radius drum as shown. One of the drums rolls without sliding on the surface shown, and a cord is wound around the other drum. Knowing that at the instant shown end D of the cord has a velocity of 6 in./s and an acceleration of 20 in./s2, both directed to the right, determine the accelerations of points A, B, and C of the drums.
Fig. P15.113
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