About: http://webisa.webdatacommons.org/226304169

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	Since pressure is a force per unit area, the force required to bring contact surface 22 into proximal contact with reflecting surface 16 can be reduced by reducing contact area 56 of contact surface 22.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com