Answered: Find the stresses in each section and…

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

Find the stresses in each section and total change in length of the bar as shown in figure. The bar is subjected to an axial pull of 24 kN. Take the diameter of section 1 as 56 mm, length L1 as 44 mm, ,the dimensions of section 2 as 65 mm x 63 mm, L2 as 16 mm, section 3 is a square of size 30 mm, length L3 as 50 mm. Also take the Young’s modulus of sections as E₁ = 2.1x10⁵N/mm², E₂ = 1.1x10⁵N/mm², E₃ = 0.75x10⁵N/mm²

(i) Stress in section 1 (unit in N/mm²) is =

Answer for part 1

(ii) Stress in section 2 (unit in N/mm²) is =

Answer for part 2

(iii) Stress in section 3 (unit in N/mm²) is =

Answer for part 3

(iv) Total Change in length of the given bar (unit in mm) is =

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