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 ,
Thanks ,
C.karthikeyan
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