About: http://webisa.webdatacommons.org/131271184

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 Newton's equation, F is the gravitational force, G is a constant of proportionality, M and m are the two masses exerting the forces, and r is the distance between the two objects.
http://www.w3.org/ns/prov#wasQuotedFrom	enchantedlearning.com