About: http://webisa.webdatacommons.org/436447741

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	When we lifted the book from floor to table, we say the book on the table had been given potential energy, and we can calculate that energy to be mgh where m is its mass, g is a constant and h is the vertical distance it was lifted.
http://www.w3.org/ns/prov#wasQuotedFrom	lhup.edu