An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 880 mm. The cross-sectional dimensions of the beam are b1 = 37 mm, d1 = 86 mm, b2 = 22 mm, d2 = 22 mm, and a = 7.5 mm. For this material, the allowable tensile bending stress is 11 MPa, and the allowable compressive

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
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Chapter6: Introduction To Mechanical Properties
Section: Chapter Questions
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An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 880 mm. The cross-sectional dimensions of the beam are b1 = 37 mm, d1 = 86 mm, b2 = 22 mm, d2 = 22 mm, and a = 7.5 mm. For this material, the allowable tensile bending stress is 11 MPa, and the allowable compressive bending stress is 9 MPa. Determine the largest moment M that can be applied as shown to the beam.
An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 880 mm. The cross-sectional
dimensions of the beam are b₁ = 37 mm, d₁ = 86 mm, b₂ = 22 mm, d₂ = 22 mm, and a = 7.5 mm. For this material, the allowable tensile
bending stress is 11 MPa, and the allowable compressive bending stress is 9 MPa. Determine the largest moment M that can be
applied as shown to the beam.
b2
ak
ak
a
M
B
A
Answer:
M =
L
N•m
d₂
b₁
d₁
Transcribed Image Text:An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 880 mm. The cross-sectional dimensions of the beam are b₁ = 37 mm, d₁ = 86 mm, b₂ = 22 mm, d₂ = 22 mm, and a = 7.5 mm. For this material, the allowable tensile bending stress is 11 MPa, and the allowable compressive bending stress is 9 MPa. Determine the largest moment M that can be applied as shown to the beam. b2 ak ak a M B A Answer: M = L N•m d₂ b₁ d₁
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