and E2 - 31500 ksi, r For a bending moment of M, = +13.5 kip-ft, determine: (a) the normal stress in each material at point H, which is located at a distance of a - 1.8 in. above the z centroidal axis. (b) the normal strain in each material at point H. (c) the magnitudes of the maximum bending stress in each material.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A flitch beam can be fabricated by sandwiching two steel plates (2) between three wood boards (1). Dimensions for the cross section
are b= 1.2 in., d = 7.3 in., andt=0.30 in. The elastic moduli of the wood and steel are E - 1700 ksi and E2 -31500 ksi, respectively.
For a bending moment of M, = +13.5 kip-ft, determine:
(a) the normal stress in each material at point H, which is located at a distance of a = 1.8 in. above the z centroidal axis.
(b) the normal strain in each material at point H.
(c) the magnitudes of the maximum bending stress in each material.
(2)
(2)
a
(1)
(1)
(1)
b.
b
Answer:
(a) Owood(H) =
i
psi
Osteel(H) -
psi
(b) Ewood(H) =
Esteel(H) -
με
(c) Owood(max) =
psi
Osteel(max) =
i
psi
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Transcribed Image Text:A flitch beam can be fabricated by sandwiching two steel plates (2) between three wood boards (1). Dimensions for the cross section are b= 1.2 in., d = 7.3 in., andt=0.30 in. The elastic moduli of the wood and steel are E - 1700 ksi and E2 -31500 ksi, respectively. For a bending moment of M, = +13.5 kip-ft, determine: (a) the normal stress in each material at point H, which is located at a distance of a = 1.8 in. above the z centroidal axis. (b) the normal strain in each material at point H. (c) the magnitudes of the maximum bending stress in each material. (2) (2) a (1) (1) (1) b. b Answer: (a) Owood(H) = i psi Osteel(H) - psi (b) Ewood(H) = Esteel(H) - με (c) Owood(max) = psi Osteel(max) = i psi Attempts: 0 of 1 used Submit Answer Save for Later
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