3. A rigid bar of negligible weight is supported as shown in the figure. If W = 80 kN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 μm/(m*°C) for steel and 18.9 μm/ (m.°C) for bronze. (Practice at Home) Steel L = 1.5 m A-320 mm² 1m-E-200 GPa 2.5 m Bronze L-3m A-1300 mm² E-83 GPa W 1.5 m

3. A rigid bar of negligible weight is supported as shown in the figure. If W = 80 kN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 μm/(m*°C) for steel and 18.9 μm/ (m.°C) for bronze. (Practice at Home) Steel L = 1.5 m A-320 mm² 1m-E-200 GPa 2.5 m Bronze L-3m A-1300 mm² E-83 GPa W 1.5 m

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.5.11P: -11 A solid steel bar (G = 11.8 X 106 psi ) of diameter d = 2,0 in. is subjected to torques T = 8.0...

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