About: http://webisa.webdatacommons.org/277383537

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	In this case, there are two forces acting on the object (which is the lowest mass): the force exerted by the spring above, and gravity.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com