# A 1.0 meter long A36 steel rod with a diameter of 40mm is lightly attached at both end of the rod, end A and end B. A collar is located in the center of the rod. The initial temp is 60 degrees C. The final temperature is 35 degrees C. Determine the force that must be applied to the collar so that the reaction at B is zero.Given:Delta T=25 degrees CE for A36 steel: 200 GPaCoeff of thermal expansion: 12(10^-6)/degree C

Residential Construction Academy: House Wiring (MindTap Course List)
4th Edition
ISBN:9781285852225
Author:Gregory W Fletcher
Publisher:Gregory W Fletcher
Chapter1: Residential Workplace Safety
Section: Chapter Questions
Problem 12RQ
Question

A 1.0 meter long A36 steel rod with a diameter of 40mm is lightly attached at both end of the rod, end A and end B. A collar is located in the center of the rod. The initial temp is 60 degrees C. The final temperature is 35 degrees C. Determine the force that must be applied to the collar so that the reaction at B is zero.
Given:
Delta T=25 degrees C
E for A36 steel: 200 GPa
Coeff of thermal expansion: 12(10^-6)/degree C

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