b) A steel rod is stretched between two rigid walls and carries a tensile load of 5000 N at 20°C. If the allowable stress is not to exceed 130 MPa at -20°C, determine the minimum diameter of the rod? Assume a = 11.7 µm/(m-°C) and E = 200 GPa.

b) A steel rod is stretched between two rigid walls and carries a tensile load of 5000 N at 20°C. If the allowable stress is not to exceed 130 MPa at -20°C, determine the minimum diameter of the rod? Assume a = 11.7 µm/(m-°C) and E = 200 GPa.

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 2.3.21P: A slightly tapered bar AB of solid circular crass section and length L is supported at end B and...

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this question is from thermal stress

b) A steel rod is stretched between two rigid walls and carries a tensile load of 5000 N at
20°C. If the allowable stress is not to exceed 130 MPa at -20°C, determine the
minimum diameter of the rod? Assume a = 11.7 um/(m-°C) and E = 200 GPa.

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