the temperature of all wires is raised by 20°C. Use a = 12x10-6/°C for steel, a = 18x10-6/°C for copper and a = 20x10-6/°C_for brass. Neglecting the weight of the bar AB, determine the location of the 110 kN force in order that AB remains horizontal.

the temperature of all wires is raised by 20°C. Use a = 12x10-6/°C for steel, a = 18x10-6/°C for copper and a = 20x10-6/°C_for brass. Neglecting the weight of the bar AB, determine the location of the 110 kN force in order that AB remains horizontal.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Pressure Vessels

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Question

3) The rigid horizontal bar AB is supported by three vertical rods as
shown in the figure and carries the load of 110 kN. The system is
stress free before the load is applied. After the load was applied,
the temperature of all wires is raised by 20°C. Use a = 12x10-6/°C for
steel, a = 18x10-6/°C for copper and a = 20x10-6/°C_for brass. Neglecting
the weight of the bar AB, determine the location of the 110 kN force in
order that AB remains horizontal.
copper bar:
A=195mm?
steel bar:
brass bar:
A=130mm?
A=325mm
A D
110 kN
Note:
copper=110 GPA
Brass=97 GPA
Steel= 200 GPA
3.00m
2.00m
1.80m
1.20m
1.50m

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