@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:t4-16.1>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "4-16.1" ;
  skosxl:prefLabel "normal stress"@en ;
  skosxl:altLabel "normal stress"@en ;
  skosxl:altLabel "sigma_\"n\""@en ;
  skosxl:altLabel "sigma"@en ;
  skos:definition "scalar (<<iso80000-2>>) quantity describing surface action of a force into a\nbody equal to:\n\nstem:[sigma_\"n\" = (\"d\"F_\"n\")/(\"d\"A)]\n\nwhere stem:[F_\"n\"] is the normal component of force (<<t4-9.1>>) and\nstem:[A] is the area (<<iso80000-3>>) of the surface element\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-4> ;
  isq:hasUnit [
    skos:notation "Pa" ;
    skosxl:prefLabel "pascal"@en
  ] ;
  isq:hasUnit [
    skos:notation "N*m^(-2)" ;
    skosxl:prefLabel "newton per square metre"@en
  ] ;
  isq:hasUnit [
    skos:notation "kg*m^(-1)*s^(-2)" ;
    skosxl:prefLabel "kilogram per metre second squared"@en
  ] ;
  skos:note "A couple of mutually opposite forces of magnitude F acting on the opposite\nsurfaces of a slice (layer) of homogenous solid matter normal to it, and\nevenly distributed, cause a constant normal stress stem:[sigma_\"n\"=FA] in\nthe slice (layer).\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-4:ed-2:en:item:4-16.1> .
