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A high-density polyethylene [E = 128 ksi; α= 88 x 10-6/°F; υ = 0.4] bar is positioned between two rigid supports. The bar is square with cross-sectional dimensions of 2.50 in. by 2.50 in. and length L = 48 in. At room temperature, a gap of Δ=0.25 in. exists between the block and the rigid support at B. After a temperature increase of 120°F, determine: a) The normal stress in the bar b)The lonitudinal strain in the bar. c)The transverse (ie lateral) strain in the bar.

A high-density polyethylene [E = 128 ksi; α= 88 x 10-6/°F; υ = 0.4] bar is positioned between two rigid supports. The bar is square with cross-sectional dimensions of 2.50 in. by 2.50 in. and length L = 48 in. At room temperature, a gap of Δ=0.25 in. exists between the block and the rigid support at B. After a temperature increase of 120°F, determine: a) The normal stress in the bar b)The lonitudinal strain in the bar. c)The transverse (ie lateral) strain in the bar.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A high-density polyethylene [E = 128 ksi; α= 88 x 10-6/°F; υ = 0.4] bar is positioned between two rigid supports. The bar is square with cross-sectional dimensions of 2.50 in. by 2.50 in. and length L = 48 in. At room temperature, a gap of Δ=0.25 in. exists between the block and the rigid support at B. After a temperature increase of 120°F, determine:

a) The normal stress in the bar

b)The lonitudinal strain in the bar.

c)The transverse (ie lateral) strain in the bar.

A B
Transcribed Image Text:A B
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