12_12_Torque_Review

12_12_Torque_Review - math f T,Yo-Yo A Yo-Yo is at rest on...

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12/12 Review 2 Presentation “Torque and the Yo-Yo” 2 Final Exam Tuesday 12/18, 8-10 am, Wit 116 150 total points but weighted as two regular 100 point exams 2 Review Guide on web 2 Peer Guides this week? 2 Be sure to turn in your last lab!!!
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Draw FBD Apply 2nd law for torque and force. x, y and axis W E,Yo-Yo N T,Yo-Yo T Y T S,Yo-Yo T X Adjust arrow lengths to be consistent with the
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Unformatted text preview: math f T,Yo-Yo A Yo-Yo is at rest on a table even though a string applies a tension force. The inner radius is r and the outer is 2r. F net.X F net.Y net.CM T X = f T Y + N = W rT = 2rf 2r = F r T = 2f = 2f Can we find ? cos = f/2f = 1 / 2 = Arcos 1 / 2 = 60 r...
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This note was uploaded on 12/21/2010 for the course PHYS Physics 21 taught by Professor Larrywatson during the Fall '08 term at North Dakota.

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12_12_Torque_Review - math f T,Yo-Yo A Yo-Yo is at rest on...

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