For the cross section shown below, y I 1 4a 1 8a 1 8a 4a -10a 28a 8a 6a Dimensions in millimeters calculate the first moment of the area about x and y axes (Qx and Qy) locate the coordinates of the centroid.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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STATICS OF RIGID BODIES (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS AND FBD LEGIBLY.  NO LONG EXPLANATION NEEDED. ANSWER IN 3 DECIMAL PLACES. BOX THE FINAL ANSWERS.)

Let a = 3.11 

(for the final value of muliply the given a by 3.11. Ex: 4a = 4(3.11) = 12.44

For the cross section shown below,
y
1
4a 1
8a I
8a
4a
-10a
28a
8a
6a
Dimensions in millimeters
a) calculate the first moment of the area about x and y axes (Qx and Qy)
b) locate the coordinates of the centroid.
४
Transcribed Image Text:For the cross section shown below, y 1 4a 1 8a I 8a 4a -10a 28a 8a 6a Dimensions in millimeters a) calculate the first moment of the area about x and y axes (Qx and Qy) b) locate the coordinates of the centroid. ४
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