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 = 2.3 lb/in.³ is the specific weight of the material, y = 2.4 in. is the distance from the free (i.e., bottom) end of the bar, L = 6 in. is the length of the bar, and E = 24000 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. Answer: (a) 8- i (b) Eavg = (c) Emax = i i x10-6 in. με με
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 = 2.3 lb/in.³ is the specific weight of the material, y = 2.4 in. is the distance from the free (i.e., bottom) end of the bar, L = 6 in. is the length of the bar, and E = 24000 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. Answer: (a) 8- i (b) Eavg = (c) Emax = i i x10-6 in. με με
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter2: Axially Loaded Members
Section: Chapter Questions
Problem 2.3.21P: A slightly tapered bar AB of solid circular crass section and length L is supported at end B and...
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