About: http://webisa.webdatacommons.org/348099165

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	Between the two balls is a spring, s1, which is held in compression.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com