Question: The sector and attached wheels are released from rest in the position shown in the vertical plane. Each wheel is a solid circular disk weighing

The sector and attached wheels are released from rest in the position shown in the vertical plane. Each wheel is a solid circular disk weighing 12 lb and rolls on the fixed circular path without slipping. The sector weighs 18 lb and is closely approximated by one-fourth of a solid circular disk of 16-in. radius. Determine the initial angular acceleration ω of the sector.

8" 16"

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