4. A steel rod of length L and uniform cross sectional area A is secured betweentwo walls, as shown. Use L=1.7 m, E = 200 GPa, a = 11.9 × 10-6 /°C and AT = 70°C. Calculate the stress for a temperature increase of AT for: a) The walls arefixed. b) The walls move apart a distance 0.4 mm.(20 pts)

L= 1.7 m= 1700 mmE= 200 GPa= 200000 MPaα= 11.9×10-6 /∘C∆T= 70∘C

A steel rod of length L and uniform cross sectional area A is secured between two walls, as shown. Use L=1.7 m, E = 200 GRa, a = 11.9 x 10- /°C and AT = 70 °C. Calculate the stress for a temperature increase of AT for: a) The walls are fixed. b) The walls move apart a distance 0.4 mm. %3D

A steel rod of length L and uniform cross sectional area A is secured between two walls, as shown. Use L=1.7 m, E = 200 GRa, a = 11.9 x 10- /°C and AT = 70 °C. Calculate the stress for a temperature increase of AT for: a) The walls are fixed. b) The walls move apart a distance 0.4 mm. %3D

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 2.6.10P: A prismatic bar with a length L = 1 m and cross-sectional area A = 1200 mm2 is supported at the...

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