The 8-lb slotted circular disk has a radius of gyration about its center O of 6 in.
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The 8-lb slotted circular disk has a radius of gyration about its center O of 6 in. and initially is rotating freely about a fixed vertical axis through O with a speed N1 = 600 rev /min. The 2-lb uniform slender bar A is initially at rest relative to the disk in the centered slot position as shown. A slight disturbance causes the bar to slide to the end of the slot where it comes to rest relative to the disk. Calculate the new angular speed N2 of the disk, assuming the absence of friction in the shaft bearing at O. Does the presence of any friction in the slot affect the final result?
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ANSWER We can use the principle of conservation of angular momentum to solve this problem Initially the slotted circular disk is rotating freely about ...View the full answer
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Related Book For 
Engineering Mechanics Dynamics
ISBN: 9781118885840
8th Edition
Authors: James L. Meriam, L. G. Kraige, J. N. Bolton
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