b3 bị (3) 1 di d3 (2 d2 b2

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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Question
Find the Moment of Inertia of the plate as shown in figure, passing through its centroid with
reference to Y -Y axis. Where b1 = 60 mm, d1=100 mm, b2=195 mm, d2=32 mm, b3=65mm,
d3=20mm.
(Enter only the values in the boxes by referring the units given in bracket. Also upload the hand
written copy in the link provided)
b3
b1
di
d3
d2
b2
The value of X is (unit in mm) =
%3D
The value of Y is (unit in mm) =
%3D
The value of total lyy for the given plate is (unit in mm4) =
(3)
Transcribed Image Text:Find the Moment of Inertia of the plate as shown in figure, passing through its centroid with reference to Y -Y axis. Where b1 = 60 mm, d1=100 mm, b2=195 mm, d2=32 mm, b3=65mm, d3=20mm. (Enter only the values in the boxes by referring the units given in bracket. Also upload the hand written copy in the link provided) b3 b1 di d3 d2 b2 The value of X is (unit in mm) = %3D The value of Y is (unit in mm) = %3D The value of total lyy for the given plate is (unit in mm4) = (3)
Expert Solution
Step 1

Draw the schematic diagram of the plate.

Mechanical Engineering homework question answer, step 1, image 1

Calculate the areas of sections.

Mechanical Engineering homework question answer, step 1, image 2

Step 2

Calculate the centroids in the x-direction.

Mechanical Engineering homework question answer, step 2, image 1

Calculate the value of the x-coordinate of the centroid.

Mechanical Engineering homework question answer, step 2, image 2

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