2. (practice problem for Exam 1) Find out the normal stress throughout the bar. - Hint: you should follow what we did in the lecture, find normal forces in different x ranges first, followed by finding the normal stresses. A, = cress-sec = I in? A, = crosi-sec. : 0.25 in? A,= oros-sec = 0.75 int

2. (practice problem for Exam 1) Find out the normal stress throughout the bar. - Hint: you should follow what we did in the lecture, find normal forces in different x ranges first, followed by finding the normal stresses. A, = cress-sec = I in? A, = crosi-sec. : 0.25 in? A,= oros-sec = 0.75 int

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 7.4.8P: - A specimen used in a coupon test has norm al stress ??. = 15 MPa (see figure). Using Mohr’s...

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2. (practice problem for Exam 1) Find out the normal stress throughout the bar.
Hint: you should follow what we did in the lecture, find normal forces in different x
ranges first, followed by finding the normal stresses.
A, = cross-sec
=l in?
A, = cross-sec.
: 0.25 in
Az
- cros-se c
= 0.75 int
l000 1bs
'7

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