1 Evaluate each variable/parameter in the bending stress formula and the corresponding bending strain. 2 Summarize what can be done to keep the bending stresses and strains to a minimum.
1 Evaluate each variable/parameter in the bending stress formula and the corresponding bending strain. 2 Summarize what can be done to keep the bending stresses and strains to a minimum.
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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Transcribed Image Text:1
2
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9
90000 OWN O
10
11
12
13
14
15
19
20
21
A
Beams dimensions: 19.32mm x 4.83mm
Youngs Modulus for the beam 207GPa
Second Moment of Area: 1.8 x 10^-10
22
Load (g)
B
0
50
100
150
200
250
300
350
400
450
500
16 Using the data from the above table:
17
18
Force (N) =Load (mass)
x 9.81m.s^-2
0
0.49
0.98
1.47
1.96
2.45
2.94
3.43
3.92
4.41
4.91
Strain
Reading
0
13
26
39
52
66
78
92
106
119
132
D
Output
Voltage
0
139
277
416
555
695
834
973
1112
1253
1393
E
F
Bridge Connection: Full
Load Position: 420 mm
Bending
Moment Calculated Stress
(Nm)
0
0.2058
0.4116
0.6174
0.798
1.029
1.2348
1.4406
1.6464
1.8522
2.0622
(Mn.m^-2)
0
2.76
5.52
8.28
10.71
13.81
16.57
19.33
22.09
24.85
27.67
G
Calculated
Strain (μ)
0
13.34
26.67
40.01
51.72
66.69
80.08
93.37
106.7
120..05
133.66
1 Evaluate each variable/parameter in the bending stress formula and the corresponding bending strain.
2 Summarize what can be done to keep the bending stresses and strains to a minimum.
H
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