Learning Goal: To be able to use the parallel-axis theorem to calculate the moment of inertia for an area. The parallel-axis theorem can be used to find an area's moment of inertia about any axis that is parallel to an axis that passes through the centroid and whose moment of inertia is known. If x' and y' are the axes that pass through an area's centroid, the parallel-axis theorem for the moment about the x axis, moment about the y axis, and the polar moment of inertia is expressed by the following equations: I₂ = Īr + Ad² Figure 151 'C < 2 of 3 >

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Learning Goal:
To be able to use the parallel-axis theorem to calculate
the moment of inertia for an area.
The parallel-axis theorem can be used to find an area's
moment of inertia about any axis that is parallel to an
axis that passes through the centroid and whose
moment of inertia is known. If x' and y' are the axes
that pass through an area's centroid, the parallel-axis
theorem for the moment about the x axis, moment
about the y axis, and the polar moment of inertia is
expressed by the following equations:
I₁=I₂+Ad²
Figure
11->>
b
< 2 of 3
KIL
>
Transcribed Image Text:Learning Goal: To be able to use the parallel-axis theorem to calculate the moment of inertia for an area. The parallel-axis theorem can be used to find an area's moment of inertia about any axis that is parallel to an axis that passes through the centroid and whose moment of inertia is known. If x' and y' are the axes that pass through an area's centroid, the parallel-axis theorem for the moment about the x axis, moment about the y axis, and the polar moment of inertia is expressed by the following equations: I₁=I₂+Ad² Figure 11->> b < 2 of 3 KIL >
Part B
As shown, a rectangle has a base of b = 5.80 ft and a height of h = 2.70 ft. (Figure 2) The rectangle's bottom is
located at a distance y₁ = 1.60 ft from the x axis, and the rectangle's left edge is located at a distance x₁ = 2.50 ft
from the y axis. What are I, and Iy, the area's moments of inertia, about the x and y axes, respectively?
Express your answers numerically in biquadratic feet (feet to the fourth power) to three significant figures
separated by a comma.
►View Available Hint(s)
IT, Iy=
VO ΑΣΦ
AME
vec
ft4
Transcribed Image Text:Part B As shown, a rectangle has a base of b = 5.80 ft and a height of h = 2.70 ft. (Figure 2) The rectangle's bottom is located at a distance y₁ = 1.60 ft from the x axis, and the rectangle's left edge is located at a distance x₁ = 2.50 ft from the y axis. What are I, and Iy, the area's moments of inertia, about the x and y axes, respectively? Express your answers numerically in biquadratic feet (feet to the fourth power) to three significant figures separated by a comma. ►View Available Hint(s) IT, Iy= VO ΑΣΦ AME vec ft4
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