1.An axial pull of 40000 N is acting on a bar consisting of three sections of length 30 cm 25 cmand 20 cm and of diameters 2 cm, 4 cm and 5 cm respectively as shown in figure 1. If theYoung's modulus = 2 x 10 N/mm, Calculate: () stress in each section and (ü) total extensionof the bar.SECTION 3SECTION 2SECTION T2 cm Ola4 cm laScm Da40000 N740000 N30cm25 om20 mtigure

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1.An axial pull of 40000 N is acting on a bar consisting of three sections of length 30 cm,25 cm and 20 cm and of diameters 2 cm, 4 cm and 5 cm respectively as shown in figure 1. If the Young's modulus 2 x 10 N/mm2, Calculate: (i) stress in each section and (i) total extension of the bar. SECTION 3

1.An axial pull of 40000 N is acting on a bar consisting of three sections of length 30 cm,25 cm and 20 cm and of diameters 2 cm, 4 cm and 5 cm respectively as shown in figure 1. If the Young's modulus 2 x 10 N/mm2, Calculate: (i) stress in each section and (i) total extension of the bar. SECTION 3

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

1.An axial pull of 40000 N is acting on a bar consisting of three sections of length 30 cm 25 cm
and 20 cm and of diameters 2 cm, 4 cm and 5 cm respectively as shown in figure 1. If the
Young's modulus = 2 x 10 N/mm, Calculate: () stress in each section and (ü) total extension
of the bar.
SECTION 3
SECTION 2
SECTION T
2 cm Ola
4 cm la
Scm Da
40000 N7
40000 N
30cm
25 om
20 m
tigure

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