About: http://webisa.webdatacommons.org/111139819

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	By calculating such factors as gear ratios and the negative effects of friction, students discover the tradeoff between force and distance.
http://www.w3.org/ns/prov#wasQuotedFrom	deltaeducation.com