About: http://webisa.webdatacommons.org/64346928

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	FIG. 4 is a graph showing a first example of a relationship between the rotational velocity of the balls and the torque required to rotate the outer ring.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com