15-105. The four 5-lb spheres are rigidly attached to the
Chapter 15, Problem 15-105(choose chapter or problem)
15-105. The four 5-lb spheres are rigidly attached to the crossbar frame having a negligible weight. If a couple moment M = (0.5/ + 0.8) lb-ft, where / is in seconds, is applied as shown, determine the speed of each of the spheres in 4 seconds starling from rest. Neglect the size of the spheres.
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