Answered: 9 mm 150 mm •B в M= 2 kN•m 150 mm 150…

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Mechanical Engineering

9 mm 150 mm •B в M= 2 kN•m 150 mm 150 mm N- C 150 mm 20 mm 20 mm (a) (b)

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.2.15P: Repeat Problem 11.2-14 using L = 12 ft, ß = 0.25 kips/in., ßRl= 1.5ßL2, and ßR2= 2 ßR1.

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Question

The composite beam in Fig. a is made of wood and reinforced with a steel strap located on its bottom side. If the beam is subjected to a bending moment of M = 2 kN # m, determine the normal stress at points B and C. Take Ew = 12 GPa and Est = 200 GPa.

9 mm
150 mm
•B
в
M= 2 kN•m
150 mm
150 mm
N-
C 150 mm
20 mm
20 mm
(a)
(b)

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