3 - The strain gauge rosette indicated in the figure provides the following readings:&o= 400μ, E60=250μ, E120= -480μ. Using the relations given below, find the magnitudes and directions of the principle strains and the maximum shearing strains. Ex=Eo Ey=(260 +2E₁20-Eo) Xxy = 2√7/35 (E60-E120) 13 y 30° 120 60° -X

Elements Of Electromagnetics
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3 - The strain gauge rosette indicated in the figure provides
the following readings: &o= 400μ, E60=250μ, E120= -480p.
Using the relations given below, find
the magnitudes and directions of the
principle strains and the maximum
shearing strains.
Ex=Eo
Ey (2860-2E₁0 Eo)
=
-
Xxy = 7 (E60-E120)
y
30°
120
60°
-X
Transcribed Image Text:3 - The strain gauge rosette indicated in the figure provides the following readings: &o= 400μ, E60=250μ, E120= -480p. Using the relations given below, find the magnitudes and directions of the principle strains and the maximum shearing strains. Ex=Eo Ey (2860-2E₁0 Eo) = - Xxy = 7 (E60-E120) y 30° 120 60° -X
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