Q3\ The rigid pole and cross-arm assembly is supported by the three cables shown. A turnbuckle at D is tightened until it induces a tension T in CD of 1.2 kN. Express T as a vector. Does it make any difference in the result which coordinate system is used? 1.5 m /c 1.5 m T= 1.2 kN 3 m 2 m 15m 3 m

Q3\ The rigid pole and cross-arm assembly is supported by the three cables shown. A turnbuckle at D is tightened until it induces a tension T in CD of 1.2 kN. Express T as a vector. Does it make any difference in the result which coordinate system is used? 1.5 m /c 1.5 m T= 1.2 kN 3 m 2 m 15m 3 m

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.77P: The cable AOB weighs 5.2 N/m. When the horizontal 30-N force is applied to the roller support at B,...

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Concept explainers

Buckling of columns

The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.

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Q3\ The rigid pole and cross-arm assembly is supported by the three
cables shown. A turnbuckle at D is tightened until it induces a tension T
in CD of 1.2 kN. Express T as a vector. Does it make any difference
in the result which coordinate system is used?
B 1.5 m /C
1.5 m
T= 1.2 kN
3m
2 m
1.5m
3 m
D

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