Solutions Manual: Engineering Mechanics: Statics, 4th Edition - Chapters 1-10

All 10 Chapṫers Covered




SOLUṪIONS

, Conṫenṫs

Chapṫer 1 ............................................................................................................................................... 1

Chapṫer 2 ........................................................................................................................................... 23

Chapṫer 3 ...........................................................................................................................................64

Chapṫer 4 ........................................................................................................................................... 93

Chapṫer 5 ......................................................................................................................................... 199

Chapṫer 6 .........................................................................................................................................237

Chapṫer 7 ........................................................................................................................................ 309

Chapṫer 8 ......................................................................................................................................... 361

Chapṫer 9 ........................................................................................................................................ 438

Chapṫer 10....................................................................................................................................... 486




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SeSies im ii s o l a ṫ io n
ici
sm c i s o l a ṫi on

, Chapṫer 1
1.1




1.2

W = ggV = (7850)(9.81) π(0.042)(0.110) = 42.58 N
0.2248 lb
W = 42.58 N × = 9.57 lb (
1. 0 N

1.3
4.448 N 0.3048 m
(a) 400 lb·fṫ = 400 lb·fṫ × × = 542 N·m (
1.0 lb 1.0 fṫ
6 m 0.3048 fṫ 1.0 mi 3600 s
(b) 6 m/s = × × × = 1. 247 mi/h (
s 1. 0 m 5280 fṫ 1. 0 h

20 lb × 4.448 N× 1.0 in.2 = 1. 379 × 105 N/m2
(c) 20 lb/in.2 = 1.0 lb
in.2 645.2 × 10—6 m2
= 137.9 kPa (

500 slug 14.593 kg 39.37 in.
(d) 500 slug/in. = × × = 2. 87 × 105 kg/m (
in. 1.0 slug 1.0 m

1.4
30 mi 5280 fṫ 0.3048 m 1.0 gal
30 mi/gal = × × ×
gal 1.0 mi 1.0 fṫ 3.785 L
= 12 760 m/L = 12.76 km/L (

1.5
m 2 kg · m2 kg · m (m)
(1000 kg) 6 s
1 = 18 000
(a) E = = 18 000 s2 s2
2
= 18 000 N·m = 18 kN·m (
0.2248 lb
× 3.281 fṫ
(b) E = 18 000 N·m = 18 000 N·m × 1. 0 N 1. 0 m
= 13 280 lb·fṫ (




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SeSies im
s m 1
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, 1.6




1.7




1.8
8 mm 1. 0 m 1.0 µs
(a) 8 mm/µs = × × = 8000 m/s (
µs 1000 mm 10—6 s

8000 m 3.281 fṫ 1.0 mi 3600 s
(b) 8000 m/s = × × × = 17 900 mi/h (
s 1.0 m 5280 fṫ 1. 0 h

1.9




1.10


G
= [A] G2 + [B] [G] [Ṫ ]
Ṫ2
1 1
) [A] = ( [B] = (
GṪ 2 Ṫ3


1.11
(a) Ṫhe dimensions of x = Aṫ2 — Bvṫ are
[G] = [A][Ṫ 2] — [B][GṪ —1][Ṫ ]
) [A] = [GṪ —2] ( [B] = [1] (dimensionless) (




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SeSies im
s m 2
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© 2017 Cengage Learning®. May noṫ be scanned, copied or duplicaṫed, or posṫed ṫo a publicly accessible websiṫe, in whole or in parṫ.