Angular Velocities of a Pulley
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If the end of the cord is pulled downward with a speed Vc= 120mm/s, determine the angular velocities of pulleys A and B and the speed of block D. Assume that the cord does not slip on the pulleys. (See attachment for full question.)
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Because, Vc = 120 mm/s
Therefore, angular velocity of pulley A (Ra = 30 mm)
wa = Vc/Ra = 120/30 = 4 rad/s - Answer
If the velocity ...
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