A turnbuckle, which is used to adjust tension in cables, is subjected to tension T=184.7 N as shown. The two opposite-handed single-start square-treaded screws have a lead of 0.005 m, nominal diameter of 0.04 m, and the coefficient of friction u=0.17. For the given tension value, calculate the torque required on the turnbuckle along its axis to

International Edition---engineering Mechanics: Statics, 4th Edition
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ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
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Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.72P
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A turnbuckle, which is used to adjust tension in cables,
is subjected to tension T=184.7 N as shown. The two
opposite-handed single-start square-treaded screws
have a lead of 0.005 m, nominal diameter of 0.04 m,
and the coefficient of friction u=0.17. For the given
tension value, calculate the torque required on the
turnbuckle along its axis to
(a) tighten the cables
(b) loosen the cables.
Transcribed Image Text:T A turnbuckle, which is used to adjust tension in cables, is subjected to tension T=184.7 N as shown. The two opposite-handed single-start square-treaded screws have a lead of 0.005 m, nominal diameter of 0.04 m, and the coefficient of friction u=0.17. For the given tension value, calculate the torque required on the turnbuckle along its axis to (a) tighten the cables (b) loosen the cables.
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