II Review The state of strain at the point has components of e, = 230 (10 6), e, = -240 (10 6), and Yay = 500 (10 6). Part A Use the strain-transformation equations to determine the equivalent in-plane strains on an element oriented at an angle of 30° counterclockwise from the original position. (Figure 1) Enter your answers numerically separated by commas. It vec ? E, Ey. Ya'y = Figure < 1 of 1 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback Next > éty 6

II Review The state of strain at the point has components of e, = 230 (10 6), e, = -240 (10 6), and Yay = 500 (10 6). Part A Use the strain-transformation equations to determine the equivalent in-plane strains on an element oriented at an angle of 30° counterclockwise from the original position. (Figure 1) Enter your answers numerically separated by commas. It vec ? E, Ey. Ya'y = Figure < 1 of 1 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback Next > éty 6

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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The state of strain at the point on the gear tooth has components €x = 850(106), €y = 480(106), Yxy = 650(106). Use the strain-transformation equations to determine (a) the in-plane principal strains and (b) the maximum in-plane shear strain and average normal strain. In each case specify the orientation of the element and show how the strains deform the element within the x-y plane.
The state of strain at the point on the arm in Figure Q10 has components ϵx = 200.5 micro-strain, ϵy = 324.4 micro-strain, and γxy = 220.6 micro-strain (1 micro-strain = strain×10-6). Figure 10 Calculate the maximum principal strain. Express your answer in micro-strains. Report your answer to 1 decimal place.
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! Required information Consider the given state of plane strain. Ex=-180µ, Ey=-260µ, Yxy=+295µ Use Mohr's circle to determine the orientation and magnitude of the principal strains. (Round the final answers to one decimal place.) The orientations are %3D The magnitudes are Ea 93
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The normal strain in a suspended bar of material of varying cross section due to its own weight is given by the expression vy/3E where y = 2.3 lb/in.³ is the specific weight of the material, y = 0.8 in. is the distance from the free (i.e., bottom) end of the bar, L = 8 in. is the length of the bar, and E = 23000 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.
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