Wednesday 12 September 2012

Calculation of Centroid, Procedure to find Centroid of Composite Areas a...


CALCULATION OF CENTROID
PROCEDURE TO FIND CENTROID OF COMPOSITE AREAS AND LINES

Following steps are adopted to find co-ordinates of centroid of composite figures:
1) Select suitable co-ordinate axes if not given.
2) Divide given area/lines in to different parts having known area or length and known centriodal distances.
3) Check Symmetry of Figures
(a) If section is symmetrical about x axis we can find y directly without any calculations.
(b) If section is symmetrical about y axis we can find x directly without any calculation.



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