The throttle-control lever OA rotates in the range 0 ≤ 0 ≤ 90°. An internal torsional return spring exerts a restoring moment about O given by M = K(0+/4), where K = 680 N·mm/rad and is in radians. Determine and plot as a function of the tension T required to make the net moment about O zero. The effects of the radius of the pulley at B are negligible. After you have completed the plot, answer the questions. Assume r = 55 mm, d = 120 mm. B 45° d Answers: If 8 = 22°, the tension T = If 0 = 47°, the tension T = If 0 = 74°, the tension T = i i i T Z Z N N N

The throttle-control lever OA rotates in the range 0 ≤ 0 ≤ 90°. An internal torsional return spring exerts a restoring moment about O given by M = K(0+/4), where K = 680 N·mm/rad and is in radians. Determine and plot as a function of the tension T required to make the net moment about O zero. The effects of the radius of the pulley at B are negligible. After you have completed the plot, answer the questions. Assume r = 55 mm, d = 120 mm. B 45° d Answers: If 8 = 22°, the tension T = If 0 = 47°, the tension T = If 0 = 74°, the tension T = i i i T Z Z N N N

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter2: Basic Operations With Force Systems

Section: Chapter Questions

Problem 2.29P: A moment of 50lbft about O is required to loosen the nut. Determine the smallest magnitude of the...

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