A circular agger of diameter A is cut into a uniform square metal plate with equal sides 2a. Where is the center of mass of the remaining portion? Consider mass per area
A circular agger of diameter A is cut into a uniform square metal plate with equal sides 2a. Where is the center of mass of the remaining portion? Consider mass per area
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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A circular agger of diameter A is cut into a uniform square metal plate with equal sides 2a. Where is the center of mass of the remaining portion? Consider mass per area
Expert Solution
Step 1
Let's assume that there are two sections in the structure on is the whole square and the other one is the circular section:
Let's assume the density of the square plate is =
Then the mass of the whole plate is,
Step 2
Now the mass of the circular section is,
The center of mass of the circle is at the point, , and the center of mass of the square plate is at the point, .
Now calculate the distance of the point form the point as:
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