Question

Find the centroid of an I section' of dimension 100mmx80mmx10mm.

Answer 1

Answer:

8000mm is the correct answer

Answer 2

Answer:

First divide the whole section into parts i.e., rectangles and find the area of every single rectangle in a section. There are three rectangles in I-section. Centroid of 1st rectangle with respect to reference x-axis = 2/2 + 9 = 10 in. Centroid of 2nd rectangle with respect to reference x-axis = 7/2 + 2 = 5.5 in.Jul 15, 2013