About: http://webisa.webdatacommons.org/428081675

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	Gravity is a force which acts on objects, and it is power is a product of the mass of the object, the strength of the gravity field, and the amount of time during which gravity acts on the object.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com