About: http://webisa.webdatacommons.org/120433625

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	And for most forces we???re interested in the force is a conservative vector field, meaning that it???s the (negative) gradient (fancy word for ???derivative??? that comes up in more than one dimension) of a potential energy function: .
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com