{"type":"rich","version":"1.0","title":"Formula: Second moment of area","html":"<span class=\"wb-embed wb-embed-math\" data-latex=\"I=\\int_A d^2 dA\">I=\\int_A d^2 dA</span><footer><cite class=\"wb-embed-author\">Rong Martin-Siebler ZHOU</cite></footer>","width":640,"height":320}