Cross section of a beam is as shown in Figure Q1(a),determine; (i) center of gravity with respect to bottom edge AB; (ii) second moment of area of the section about AB.
Cross section of a beam is as shown in Figure Q1(a),determine; (i) center of gravity with respect to bottom edge AB; (ii) second moment of area of the section about AB.
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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![Q1(a)
Cross section of a beam is as shown in Figure Q1(a),determine;
(1)
center of gravity with respect to bottom edge AB;
(ii)
second moment of area of the section about AB.
Isosceles triangle
base =30 ,height =20
120
200
50
A
B
Figure Q1(a)
(take all dimensions in milli meters)
(b)
If a central hole of diameter 30 mm drilled on the rectangular section in
Q1(a), explain its effect on the center of gravity with respect to 'AB'.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0e884b4a-2870-484f-8e9d-c1c5ea2ff662%2Fe6f661d1-f93f-4b25-a404-c6f0ecbba5de%2Frrswan5_processed.png&w=3840&q=75)
Transcribed Image Text:Q1(a)
Cross section of a beam is as shown in Figure Q1(a),determine;
(1)
center of gravity with respect to bottom edge AB;
(ii)
second moment of area of the section about AB.
Isosceles triangle
base =30 ,height =20
120
200
50
A
B
Figure Q1(a)
(take all dimensions in milli meters)
(b)
If a central hole of diameter 30 mm drilled on the rectangular section in
Q1(a), explain its effect on the center of gravity with respect to 'AB'.
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