Solutions manual to engineering mechanics statics 4th edition by pytel

All 10 Chapters Covered




SOLUTIONS

, Contents

Chapter 1 .............................................................................................................. 1

Chapter 2 ............................................................................................................ 23

Chapter 3 ............................................................................................................ 64

Chapter 4 ............................................................................................................ 93

Chapter 5 .......................................................................................................... 199

Chapter 6 .......................................................................................................... 237

Chapter 7 .......................................................................................................... 309

Chapter 8 .......................................................................................................... 361

Chapter 9 .......................................................................................................... 438

Chapter 10 ........................................................................................................ 486




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, Chapter 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·ft = 400 lb·ft × × = 542 N·m (
1.0 lb 1.0 ft
6m 0.3048 ft 1.0 mi 3600 s
(b) 6 m/s = × × × = 1. 247 mi/h (
s 1.0 m 5280 ft 1.0 h

20 lb 4.448 N 1.0 in.2
(c) 20 lb/in.2 = × × = 1. 379 × 105 N/m2
in.2 1.0 lb 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 ft 0.3048 m 1.0 gal
30 mi/gal = × × ×
gal 1.0 mi 1.0 ft 3.785 L
= 12 760 m/L = 12.76 km/L (

1.5
1 6m 2 kg · m2
= 18 000
kg · m (m)
(a) E = (1000 kg) s = 18 000 s 2 s2
2
= 18 000 N·m = 18 kN·m (
0.2248 lb 3.281 ft
×
(b) E = 18 000 N·m = 18 000 N·m × 1.0 N 1.0 m
= 13 280 lb·ft (




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© 2017 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.

, 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 ft 1.0 mi 3600 s
(b) 8000 m/s = × × × = 17 900 mi/h (
s 1.0 m 5280 ft 1.0 h

1.9




1.10

G
= [A] G2 + [B] [G] [T ]
T2
1 1
) [A] = ( [B] = (
GT 2 T3


1.11
(a) The dimensions oḟ x = At2 — Bvt are
[G] = [A][T 2] — [B][GT —1][T ]
) [A] = [GT —2] ( [B] = [1] (dimensionless) (




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© 2017 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.