About: http://webisa.webdatacommons.org/257622189

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	e toys part of this article.) You can also devise puzzles such as Given N pulleys and N ropes, what is the greatest mechanical advantage you could achieve using all of the pulleys?
http://www.w3.org/ns/prov#wasQuotedFrom	lhup.edu