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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