Area moment of inertia...a question

Phycisian

hello,
i m new to this forum....i was just searching on google about a question and got linked to this site....my question is if anyone can answer...[8)]

Area moment of inertia is always measured in in4 or any equvilent conversion unit of measurement..how the concept of this will be elaborated....and how it is calculated...plz give a little brief answer.


ThankS [:)]