Engineering Mechanics - DynamicsChapter 19Problem 19-13The man pulls the rope off the reel with a constant force Pin the direction shown. If the reel hasweight Wand radius of gyration kGabout the trunnion (pin) at A, determine the angular velocityof the reel at time tstarting from rest. Neglect friction and the weight of rope that is removed.Given:P8lb=t3s=g32.2fts2=W250 lb=θ60 deg=kG0.8 ft=r1.25 ft=Solution:0Prt+Wg⎛⎝⎞⎠kG2ω=PrtgWkG2=6.04rads=Problem 19-14Angular motion is transmitted from a driver wheel Ato the driven wheel Bby friction between thewheels at C.If Aalways rotates at constant rate Aand the coefficient of kinetic friction between
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