Find the extension of a steel rail of length 50 m if you have the following data: 2 Cross-sectional area = 4 cm, the tensile force acting = 2 80000 N, E for steel = 180x 10 N/m

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Find the extension of a steel rail of length 50 m if you
have the following data:
2
Cross-sectional area = 4 cm, the tensile force acting =
2
80000 N, E for steel = 180x 10 N/m
Transcribed Image Text:Find the extension of a steel rail of length 50 m if you have the following data: 2 Cross-sectional area = 4 cm, the tensile force acting = 2 80000 N, E for steel = 180x 10 N/m
Expert Solution
Step 1

Given data:

The length of the steel rail is: Ls=50 m.

The cross-sectional area is: A=4 cm2=4 cm210-4 m21 cm2=4×10-4 m2

The tensile force is: Ptensile=80000 N.

The Young's modulus is Es=180×109 Nm2

 

The expression to determine the value of the extension of the steel bar is,

e=PtensileLsAEs..... (1)

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