A solid 0.125 in. diameter steel [E 30,000 ksi; \alpha = 6.5 \times 10-6/\deg F] wire is stretched between fixed supports so that it is under an initial tension force of 40 lb. If the temperature of the wire drops 75\deg F, what is the tensile stress in the wire?

A solid 0.125 in. diameter steel [E 30,000 ksi; \alpha = 6.5 \times 10-6/\deg F] wire is stretched between fixed supports so that it is under an initial tension force of 40 lb. If the temperature of the wire drops 75\deg F, what is the tensile stress in the wire?

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.4.9P: Two steel wines support a moveable overhead camera weighing W = 28 lb (see figure part a) used For...

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Torsion

In mechanical engineering, torque, torsion, and twisting moment are three of the most important concepts which have different meanings. Torque is the consequence of a moment of a force that produces an angular acceleration in a body or induces rotational kinetic energy in a body. For instance, in an automobile, the power transmission shaft is a body that is always under rotation due to the external torque acting on it, this torque is created by the engine.

Question

Please answer this question correctly. Add diagram if possible

A solid 0.125 in. diameter steel [E
30,000
ksi; \alpha = 6.5 \times 10-6/\deg F] wire is
stretched between fixed supports so that it is
under an initial tension force of 40 lb. If the
temperature of the wire drops 75\deg F, what
is the tensile stress in the wire?

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