An elastic bar of length L, uniform cross-sectional area A, coefficient of thermal expansion a , and Young's modulus E is fixed at the two ends. The temperature of the bar is increased by T, resulting in an axial stress o. Keeping all other parameters unchanged, if the length of the bar is doubled, the axial stress would be S 0.25as 0.5s 2s
An elastic bar of length L, uniform cross-sectional area A, coefficient of thermal expansion a , and Young's modulus E is fixed at the two ends. The temperature of the bar is increased by T, resulting in an axial stress o. Keeping all other parameters unchanged, if the length of the bar is doubled, the axial stress would be S 0.25as 0.5s 2s
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![An elastic bar of length L, uniform cross-sectional area A, coefficient of thermal expansion a , and
Young's modulus E is fixed at the two ends. The temperature of the bar is increased by T, resulting
in an axial stress o. Keeping all other parameters unchanged, if the length of the bar is doubled, the
axial stress would be
S
0.25as
0.5s
2s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F77c342d2-7a35-4d90-b77d-cf5b35ebc00f%2F34b166b6-fb6c-401a-bd3b-21c1b7d7d07d%2Fqtimi0k_processed.png&w=3840&q=75)
Transcribed Image Text:An elastic bar of length L, uniform cross-sectional area A, coefficient of thermal expansion a , and
Young's modulus E is fixed at the two ends. The temperature of the bar is increased by T, resulting
in an axial stress o. Keeping all other parameters unchanged, if the length of the bar is doubled, the
axial stress would be
S
0.25as
0.5s
2s
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