braic sum of the moment of inertia of th ponents with respect to the same axis

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter9: Moments And Products Of Inertia Of Areas
Section: Chapter Questions
Problem 9.3P: The moments of inertia of the plane region about the x- and u-axes are Ix=0.4ft4 and Iu=0.6ft4,...
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Asap within 30 minutes will definitely upvote plz (handwritten solution acceptable)

>, the moment of inertia of a composite area
with respect to a reference axis is equal to the
algebraic sum of the moment of inertia of the
components with respect to the same axis. In finding
the moment of inertia of the components with respect
to the desired axis, the parallel-axis theorem is
sometimes necessary.
Thus, I₂ = Ī + Aď² and Iy = Īy + Ad²
„
where I and I are the moments of inertia of an
area about its centroidal axes, A is the entire area,
and dy and d are the perpendicular distances
between the parallel axes.
Compared to the integration method, this summation
method is a simpler one for determining the moments
of inertia of areas.
Transcribed Image Text:>, the moment of inertia of a composite area with respect to a reference axis is equal to the algebraic sum of the moment of inertia of the components with respect to the same axis. In finding the moment of inertia of the components with respect to the desired axis, the parallel-axis theorem is sometimes necessary. Thus, I₂ = Ī + Aď² and Iy = Īy + Ad² „ where I and I are the moments of inertia of an area about its centroidal axes, A is the entire area, and dy and d are the perpendicular distances between the parallel axes. Compared to the integration method, this summation method is a simpler one for determining the moments of inertia of areas.
▼
m
n
y
A
m *+n+
n
Part B - Moment of inertia of the composite area about the x axis
m
X
The moment of inertia of the triangular shaped area is I₂ = 5.40 x 105 mm4. Given m = 60.0 mm and n = 30.0 mm,
calculate the moment of inertia of the shaded area shown (Figure 1) about the x axis.
Transcribed Image Text:▼ m n y A m *+n+ n Part B - Moment of inertia of the composite area about the x axis m X The moment of inertia of the triangular shaped area is I₂ = 5.40 x 105 mm4. Given m = 60.0 mm and n = 30.0 mm, calculate the moment of inertia of the shaded area shown (Figure 1) about the x axis.
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