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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
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'.
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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