P = 190 N 100 mm . 300 mm -200 mm Re-centering spring (Part (b) only) - Plastic bar d = 32 mm
P = 190 N 100 mm . 300 mm -200 mm Re-centering spring (Part (b) only) - Plastic bar d = 32 mm
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
Related questions
Question
A plastic bar of diameter d = 32 mm is compressed
in a testing device by a force P = 190 N that
is applied as shown in the figure.
(a) Determine the normal and shear stresses acting
on all faces of stress elements oriented at (1) an
angle θ = 0°, (2) an angle θ = 22.5°, and (3) an
angle θ = 45°. In each case, show the stresses on
a sketch of a properly oriented element. What
are σmax and τmax?
(b) Find σmax and τmax in the plastic bar if a recentering
spring of stiffness k is inserted into
the testing device, as shown in the figure. The
spring stiffness is 1/6 of the axial stiffness of the
plastic bar.
![P = 190 N
100 mm
.
300 mm
-200 mm
Re-centering
spring
(Part (b) only)
- Plastic bar
d = 32 mm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F02467b16-8377-4308-8407-33f1e03d5d0d%2F7e73750d-d811-45e1-9687-7af5711965e8%2F3eahfpn_processed.png&w=3840&q=75)
Transcribed Image Text:P = 190 N
100 mm
.
300 mm
-200 mm
Re-centering
spring
(Part (b) only)
- Plastic bar
d = 32 mm
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