Bundle: Mechanics Of Materials, Loose-leaf Version, 9th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
9th Edition
ISBN: 9781337594318
Author: Barry J. Goodno; James M. Gere
Publisher: Cengage Learning
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Textbook Question
Chapter 6, Problem 6.9.12P
The cross section of a sign post of constant thickness is shown in the figure.
Derive the formula for the distance e from the cent crime of the wall of the post to the shear center S:
where I2. = moment of inertia about the z axis.
Also, compare this formula with that given in Problem 6.9-11 for the special case of ß = 0 here and a = h/2 in both formulas.
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Below Figure shows the section of an angle purlin. A bending moment of
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5 kN.m is applied to the purlin in a plane at an angle of 30 deg to the
vertical y axis. If the sense of the bending moment is such that both its
components Mx and My produce tension in the positive xy quadrant,
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The cross-sectional dimensions of the beam shown in the figure are r = 113 mm and r;= 87 mm. Given M₂ = 16 kN-m, a = 37º,
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Incorrect. Find the moment of inertia for a solid circular cross-section of radius 113 mm, then subtract the moment of
inertia for a solid circular cross-section of radius 87 mm.
Find the area moment of inertia for the cross-section about the z axis.
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7
Chapter 6 Solutions
Bundle: Mechanics Of Materials, Loose-leaf Version, 9th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
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