About: http://webisa.webdatacommons.org/116638022

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	There are several fundamental forces in the universe, including the force of gravity, electromagnetic force, and weak and strong nuclear forces.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org