9. The rigid horizontal bar ABC of negligible mass is connected to two rods as shown in the figure. If the system is initially stress-free, a temperature change will cause a tensile stress of 120 MPa in the brass rod. Assume that both rods are subjected to the same change in temperature. Brass L = 2 m A = 1200 mm² E = 100 GPa a = 18.7 × 10-6/°C B 3 m 2 m Сopper L = 3 m A = 1500 mm² E = 120 GPa a = 16.8 x 10–6/°C Calculate the stress in the copper bar (in MPa). * Your answer Calculate the axial deformation in the brass bar (in mm). *

9. The rigid horizontal bar ABC of negligible mass is connected to two rods as shown in the figure. If the system is initially stress-free, a temperature change will cause a tensile stress of 120 MPa in the brass rod. Assume that both rods are subjected to the same change in temperature. Brass L = 2 m A = 1200 mm² E = 100 GPa a = 18.7 × 10-6/°C B 3 m 2 m Сopper L = 3 m A = 1500 mm² E = 120 GPa a = 16.8 x 10–6/°C Calculate the stress in the copper bar (in MPa). * Your answer Calculate the axial deformation in the brass bar (in mm). *

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.5.1P: The rails of a railroad track are welded together at their ends (to form continuous rails and thus...

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Topic: Mechanics of Deformable Bodies: Stress and Deformation Direction: Answer with complete solution.
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