<http://webisa.webdatacommons.org/prov/222500237>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/367555399> .
<http://webisa.webdatacommons.org/367555399>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .
<http://webisa.webdatacommons.org/367555399>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/367555399>	<http://www.w3.org/ns/prov#value>	"Thus, to construct free-body diagrams, it is extremely important to know the various types of forces." .