The normal strain in a suspended bar of material of varying cross section due to its own weight is given by the expression yy/3E wherey = 2.9 lb/in.³ is the specific weight of the material, y = 0.5 in. is the distance from the free (i.e., bottom) end of the bar, L = 5 in. is thelength of the bar, and E = 25000 ksi is a material constant. Determine,(a) the change in length of the bar due to its own weight.(b) the average normal strain over the length L of the bar.(c) the maximum normal strain in the bar.Part 1* Your answer is incorrect.Calculate the change in length of the bar due to its own weight.Answer:d= i 2.416eTextbook and Mediax10-6 in. * Your answer is incorrect.Calculate the change in length of the bar due to its own weight.Answer:d = i 2.416eTextbook and MediaSave for Laterx10-6 in.Attempts: 1 of 5 usedPart 2The parts of this question must be completed in order. This part will be available when you complete the part above.Part 3The parts of this question must be completed in order. This part will be available when you complete the part above.Submit Answer

Given:The values are , , .The length of the bar is .The elastic constant is .Formula used:The…

The normal strain in a suspended bar of material of varying cross section due to its own weight is given by the expression yy/3E where y = 2.9 lb/in.³ is the specific weight of the material, y = 0.5 in. is the distance from the free (i.e., bottom) end of the bar, L = 5 in. is the length of the bar, and E = 25000 ksi is a material constant. Determine, (a) the change in length of the bar due to its own weight. (b) the average normal strain over the length L of the bar. (c) the maximum normal strain in the bar.

The normal strain in a suspended bar of material of varying cross section due to its own weight is given by the expression yy/3E where y = 2.9 lb/in.³ is the specific weight of the material, y = 0.5 in. is the distance from the free (i.e., bottom) end of the bar, L = 5 in. is the length of the bar, and E = 25000 ksi is a material constant. Determine, (a) the change in length of the bar due to its own weight. (b) the average normal strain over the length L of the bar. (c) the maximum normal strain in the bar.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.7.13P: An clement of material in plane strain (see figure) is subjected to strains ex= 480 × 10-6, Ey= 70 ×...

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