@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t4-21.2>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "4-21.2" ;
  skosxl:prefLabel "second polar moment of area"@en ;
  skosxl:altLabel "I_\"p\""@en ;
  skos:definition "geometrical characteristic of a shape of a body equal to:\n\nstem:[I_\"p\" = &#8748;_\"M\" r_\"Q\"^2 \"d\"A]\n\nwhere stem:[\"M\"] is the two-dimensional domain of the cross-section of a\nplane and considered body, stem:[r_\"Q\"] is radial distance (<<iso80000-3>>)\nfrom a stem:[\"Q\"]-axis perpendicular to the plane of the surface considered\nand stem:[A] is area (<<iso80000-3>>)\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-4> ;
  isq:hasUnit [
    skos:notation "m^4" ;
    skosxl:prefLabel "quartic metre"@en
  ] ;
  skos:note "This quantity is often referred to wrongly as \"moment of inertia\" (<<t4-7>>).\n\nThe subscript, stem:[p], may be omitted when there is no risk of confusion.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-4:ed-2:en:item:4-21.2> .