A steel cable with a nominal diameter of 32 mm (see the table below) is used in a construction yard to lift a bridge section weighing 42 kN, as shown in the following figure. Properties of Steel Cables Nominal Diameter Approximate Weight Effective Area Ultimate Load in. Ib/ft N/m in? mm2 Ib kN mm 0.50 12 0.42 6.1 0.119 76.7 23,100 102 0.75 20 0.95 13.9 0.268 173 51,900 231 1.00 25 1.67 24.4 0.471 304 91,300 406 1.25 32 2.64 38.5 0.745 481 144,000 641 1.50 38 3.83 55.9 1.08 697 209,000 930 285,000 1260 1.75 44 5.24 76.4 1.47 948 2.00 50 6.84 99.8 1.92 1230 372,000 1650 The table is to be used solely for solving this problem. The cable has an effective modulus of elasticity E = 140 GPa. (a) If the cable is 19 m long, how much will it stretch (in mm) when the load is picked up? (Use the deformation sign convention.) ] mm (b) If the cable is rated for a maximum load of 65 kN, what is the factor of safety with respect to failure of the cable?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Topic Video
Question
A steel cable with a nominal diameter of 32 mm (see the table below) is used in a construction yard to lift a bridge section weighing 42 kN, as shown in the following figure.
Properties of Steel Cables
Nominal Diameter Approximate Weight Effective Area
Ultimate Load
in.
Ib/ft
N/m
in?
mm2
Ib
kN
mm
0.50
12
0.42
6.1
0.119
76.7
23,100
102
0.75
20
0.95
13.9
0.268
173
51,900
231
1.00
25
1.67
24.4
0.471
304
91,300
406
1.25
32
2.64
38.5
0.745
481
144,000
641
1.50
38
3.83
55.9
1.08
697
209,000
930
1.75
44
5.24
76.4
1.47
948
285,000
1260
2.00
50
6.84
99.8
1.92
1230
372,000
1650
The table is to be used solely for solving this problem.
The cable has an effective modulus of elasticity E = 140 GPa.
(a) If the cable is 19 m long, how much will it stretch (in mm) when the load is picked up? (Use the deformation sign convention.)
mm
(b) If the cable is rated for a maximum load of 65 kN, what is the factor of safety with respect to failure of the cable?
Transcribed Image Text:A steel cable with a nominal diameter of 32 mm (see the table below) is used in a construction yard to lift a bridge section weighing 42 kN, as shown in the following figure. Properties of Steel Cables Nominal Diameter Approximate Weight Effective Area Ultimate Load in. Ib/ft N/m in? mm2 Ib kN mm 0.50 12 0.42 6.1 0.119 76.7 23,100 102 0.75 20 0.95 13.9 0.268 173 51,900 231 1.00 25 1.67 24.4 0.471 304 91,300 406 1.25 32 2.64 38.5 0.745 481 144,000 641 1.50 38 3.83 55.9 1.08 697 209,000 930 1.75 44 5.24 76.4 1.47 948 285,000 1260 2.00 50 6.84 99.8 1.92 1230 372,000 1650 The table is to be used solely for solving this problem. The cable has an effective modulus of elasticity E = 140 GPa. (a) If the cable is 19 m long, how much will it stretch (in mm) when the load is picked up? (Use the deformation sign convention.) mm (b) If the cable is rated for a maximum load of 65 kN, what is the factor of safety with respect to failure of the cable?
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman