Given: A steel rod (A= 150 mm?) is stretched between two fixed points with a tensile load of 5000 N at 20°C. a.) What will be the stress at -20°C? b.) At what temperature will the stress be zero? Assume a = 11.7 µm/m°C, and E = 200 Gpa
Given: A steel rod (A= 150 mm?) is stretched between two fixed points with a tensile load of 5000 N at 20°C. a.) What will be the stress at -20°C? b.) At what temperature will the stress be zero? 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 2.5.3P: A rigid bar of weight W = 750 lb hangs from three equally spaced wires: two of steel and one of...
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![PROBLEM 3
Given: A steel rod (A= 150 mm?) is stretched between
two fixed points with a tensile load of 5000N at 20°C.
a.) What will be the stress at -20°C?
b.) At what temperature will the stress be zero?
Assume a = 11.7 µm/m°C, and E = 200 Gpa
%3D
©sidewa R
L](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcdbb43fd-82ff-4e3a-bfbf-e1af8b765db8%2F4c155cd4-7c16-458c-b54f-5320d44f6231%2F751wqr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:PROBLEM 3
Given: A steel rod (A= 150 mm?) is stretched between
two fixed points with a tensile load of 5000N at 20°C.
a.) What will be the stress at -20°C?
b.) At what temperature will the stress be zero?
Assume a = 11.7 µm/m°C, and E = 200 Gpa
%3D
©sidewa R
L
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