Any body help me , give the input the mass properites in sacs ,
my section was bottom 1000mm width and depth was 1200mm and the top width was 3000mm , trapezoidal ,
Karthikeyan,
You can use any number of freely available section property calculators or use the general equations for calculation section properties.
Refer to this website for some section property calculators:
http://engineersedge.com/section_properties_menu.shtml
and this website for more information about moment of inertia (second moment of area):
https://en.wikipedia.org/wiki/Second_moment_of_area
Regards,
Geoff
Thanks ,
C.karthikeyan