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Draft solutions manual for 7th edition of Mechanics of Materials, J. Gere & B. Goodno, 2009 see also updated Answers to Problems see also errata table NOTE: This file contains only solutions for those problems which are either new or revised versions of those in the 6e of this text; please consult the 6e ISM for any problem solutions not shown here
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2 2 ¥ð ? ? dAB ? dAB ? 2? tAB ? ? ? AAB ¡ë 4
(
)
AAB ¡ë 1.178
¥ò AB ¡ë
P1 AAB
¥ò AB ¡ë 1.443 ¡¿ 10
1443 psi
3
psi
Part (b)
2 2 ¥ð ? ? dBC ? dBC ? 2? tBC ? ? ? ABC ¡ë 4
(
)
ABC ¡ë 2.209
P2 ¡ë ¥ò AB? ABC ? P1 P1 + P2
P2 ¡ë 1.488 ¡¿ 10
1488 lbs 3
3
lbs
CHECK: Part (c) P2 ¡ë 2260 P1 + P2 ¥ò AB
2
ABC
¡ë 1.443 ¡¿ 10
¡ë ABC
¡¦(»ý·«)