In a laboratory test of a beam loaded by end couples, the fiber at layer AB as shown are found to increase 30 x 10 -3 mm while those at CD decrease 90 x 10 3 mm in the 280-mm-gage length. Using E = 160 GPa, determine the flexural stress at the top fiber. Answer must be in MPa. Given: a = 60 mm, b = 140 mm, and C = 80 mm. %D
In a laboratory test of a beam loaded by end couples, the fiber at layer AB as shown are found to increase 30 x 10 -3 mm while those at CD decrease 90 x 10 3 mm in the 280-mm-gage length. Using E = 160 GPa, determine the flexural stress at the top fiber. Answer must be in MPa. Given: a = 60 mm, b = 140 mm, and C = 80 mm. %D
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![In a laboratory test of a beam loaded
by end couples, the fiber at layer AB
as shown are found to increase 30 x
10 3 mm while those at CD decrease
90 x 10 3 mm in the 280-mm-gage
length. Using E = 160 GPa,
%D
determine the flexural stress at the
top fiber. Answer must be in MPa.
Given: a = 60 mm, b = 140 mm, and
%3D
C = 80 mm.
gage length
a mm
b mml
c mm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F46032e9e-7570-4682-b34d-3d92ef228c2a%2Fae53f0c7-3a10-4657-89cc-43d3fa28f554%2F5gnq38h_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In a laboratory test of a beam loaded
by end couples, the fiber at layer AB
as shown are found to increase 30 x
10 3 mm while those at CD decrease
90 x 10 3 mm in the 280-mm-gage
length. Using E = 160 GPa,
%D
determine the flexural stress at the
top fiber. Answer must be in MPa.
Given: a = 60 mm, b = 140 mm, and
%3D
C = 80 mm.
gage length
a mm
b mml
c mm
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