1. Determine the stress in each section of the bar shown in the below figure when subjected to a tensile load of 20 kN. The central section is 30 mm square cross section; the other portions are of circular section, their diameters being indicated. What will be the total extension of the bar? For the bar material 210 GN/m²2 250 J00 400 20 kN (2 20 kN 15 20 30

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Exercise:
1.
Determine the stress in each section of the bar shown in the below figure
when subjected to a tensile load of 20 kN. The central section is 30 mm
square cross section; the other portions are of circular section, their
diameters being indicated. What will be the total extension of the bar? For
the bar material 210 GN/m²
t100
250
400
20 kN
20 kN
15
20
30
2.
Calculate the spring constant of a spring that needs a force of 3N
to be compressed from 40cm to 35cm
Transcribed Image Text:Exercise: 1. Determine the stress in each section of the bar shown in the below figure when subjected to a tensile load of 20 kN. The central section is 30 mm square cross section; the other portions are of circular section, their diameters being indicated. What will be the total extension of the bar? For the bar material 210 GN/m² t100 250 400 20 kN 20 kN 15 20 30 2. Calculate the spring constant of a spring that needs a force of 3N to be compressed from 40cm to 35cm
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