Mechanics of Materials (MindTap Course List)
9th Edition
ISBN: 9781337093347
Author: Barry J. Goodno, James M. Gere
Publisher: Cengage Learning
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Textbook Question
Chapter 5, Problem 5.5.19P
A cantilever beam A3, loaded by a uniform load and a concentrated load (sec figure), is constructed of a channel section.
(a)
Find the maximum tensile stresser, and maxi-mum compressive stress trcif the cross section has the dimensions indicated and the moment of inertia about the - axis (the neutral axis) is t = 3.36 in4. Note: The uniform load represents the weight of the beam.
- Find the maximum value of the concentrated load if the maximum tensile stress cannot exceed 4 ksi and the maximum compressive stress is limited to 14.5 ksi.
- How far from A can load P = 250 lb be positioned if the maximum tensile stress cannot exceed 4 ksi and the maximum compressive stress is limited to 14.5 ksi?
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4. A single stage helical gear reducer is to receive power from a 1440 r.p.m., 25 kW induction motor. The
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Determine the stress in each section of the bar shown in Fig. when subjected to an
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What will be the total deformation of the bar? For the bar material E = 210GPa.
20mi
О
30mm
30mmm
2.6
15mm
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1
2
10kN
- 20kN
3
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100mm
371mm
Calculate the load that will make point A move to the left by 6mm, E=228GPa. The diameters
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PA
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B
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Chapter 5 Solutions
Mechanics of Materials (MindTap Course List)
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