f gravity of ABCD of But I think calculation, when it can be course, is in the centre of the figure. easily done, or otherwise one of the well- Hence, it is 8 feet from AC, and 18 from known graphic processes, is much prefer- IG. The centre of gravity of CDEF is able. found by (3) to be 21.12 from… … ft. from IG. The distance of centre of gravity of the entire section AEGHFD- the vertical side C. Then the co-ordi- B from IG, is therefore : nates x and y of the centre of gravity G, are given by the relations — 397440 11461478.4 AB S 45.5x345600 = 15724800.0 x=i( A + B- <3) a+bJ 2718627S.4 743040…
Engineering
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