8 lb 12" @o 20" 4 lb I i I I 23" 6 lb
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![The 8-lb sphere and 6-lb block (shown in section) are secured to the arm of negligible mass which rotates in the vertical plane about a
horizontal axis at O. The 4-lb plug is released from rest at A and falls into the recess in the block when the arm has reached the
horizontal position. An instant before engagement, the arm has an angular velocity wo = 2.2 rad/s. Determine the angular velocity w
(positive if counterclockwise, negative if clockwise) of the arm immediately after the plug has wedged itself in the block.
8 lb
Answer: w=
12"
i
100
20"
4 lb
A
23"
6 lb
rad/s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb8d5d6cb-94d4-4c4c-87a7-4a343e295456%2F83a2b5e4-837a-4b26-894f-f3a7340f7307%2Fzi769tg_processed.png&w=3840&q=75)
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