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. steel bar: A=130mm brass bar: A=325mm? copper bar: A=195mm? A B 110 kN 3.00m 2.00m 1.80m 1.20m 1.50m
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. steel bar: A=130mm brass bar: A=325mm? copper bar: A=195mm? A B 110 kN 3.00m 2.00m 1.80m 1.20m 1.50m
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter1: Tension, Compression, And Shear
Section: Chapter Questions
Problem 1.9.13P: A metal bar AB of a weight Ills suspended by a system of steel wires arranged as shown in the...
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