a. By using horizontal element, determine the y-centroid for the shaded area shown in Figure la. Let a 2 m, b = 6 m, and c=2 m²

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QUESTION 1
a. By using horizontal element, determine the y-centroid for the shaded area shown in
Figure la. Let a=2 m, b = 6 m, and c=2 m²
dA= xy
dn = my
my = c²
ty 22
чучу
น
b
(wy)
a mm
b. A composite area is shown in Figure 1b. Determine the area moment of inertia for the
composite area with respect to the y-axis. Let a = 4, b=3, c=2 and d=1.
A
xy = 2
Figure la
b mm b mm
B
C
d mm
Figure 1b
c mm
c mm
X
Transcribed Image Text:QUESTION 1 a. By using horizontal element, determine the y-centroid for the shaded area shown in Figure la. Let a=2 m, b = 6 m, and c=2 m² dA= xy dn = my my = c² ty 22 чучу น b (wy) a mm b. A composite area is shown in Figure 1b. Determine the area moment of inertia for the composite area with respect to the y-axis. Let a = 4, b=3, c=2 and d=1. A xy = 2 Figure la b mm b mm B C d mm Figure 1b c mm c mm X
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