Please see attached pic. Q6 [3 marks] An aluminium rod shown in (a) has a circular cross section and issubjected to an axial load of 10 kN. If a portion of the stress-strain diagram is shownin (b), determine the approximate elongation of the rod when the load is applied. TakeEal = 70 GPa.σ (MPa)(b)56.66050Gy=4030F200.0450100.020.040.0610 kN20 mm15 mmB10 kN600 mm400 mm(a)

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Answered: Q6 [3 marks] An aluminium rod shown in…

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 7 The bar of length 2m has a 60 mm x 60mm square cross-section with a central hole of 25 mm diameter. The bar is subjected to a tensile axial load of 100 kN which extends its length by 0.9 mm. The direct stress and direct strain arê: 2 m O a. 32 MNm 2, 0.9 mm O b.28 MNm-2, 450 x 10-6 OC. 32 MNM2, 450 x 10-6 O d. 28 Nmm2, 0.9 mm
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Determine the stress in each section of the bar shown below, which is subjected to an axial tensile load of (20KN). 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 (E = 210 GN/m²). 250 100 400 mm * * ↓ 20KN 20 KN ↓ 20 0 2 30mm 3 115
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1
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