Question: n D 10 in. 80 lb-ft A 40 lb-ft 10 in. 30 in. 12 in. 4 in. F 6 in. B Shafts: G=11*10psi, diameter d=1in
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D 10 in. 80 lb-ft A 40 lb-ft 10 in. 30 in. 12 in. 4 in. F 6 in. B Shafts: G=11*10psi, diameter d=1in A,B,C: bearings, free rotation D: fixed support Angle of twist at B a) Sketch FBD of AB, determine the torque from F to E; b) Use gear ratio, determine the toque from E to F. c) Section method: Cut between H and F, FBD from the cut to F, internal toque; FBD from a cut between DH to F, internal torque. e) Angle of twist at F; f) Angle of twist at E from gear ratio; angle of twist at B.
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