본문/내용
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
〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓 SOLUTION Part (a) P1 〓 1700 dAB 〓 1.25 tAB 〓 0.5 dBC 〓 2.25 tBC 〓 0.375
2 2 π ? ? dAB ? dAB ? 2? tAB ? ? ? AAB 〓 4
(
)
AAB 〓 1.178
σ AB 〓
P1 AAB
σ AB 〓 1.443 × 10
1443 psi
3
psi
Part (b)
2 2 π ? ? dBC ? dBC ? 2? tBC ? ? ? ABC 〓 4
(
)
ABC 〓 2.209
P2 〓 σ AB? ABC ? P1 P1 + P2
P2 〓 1.488 × 10
1488 lbs 3
3
lbs
CHECK: Part (c) P2 〓 2260 P1 + P2 σ AB
2
ABC
〓 1.443 × 10
〓 ABC
…