3 "Ficheiro:Pulley_composite_1-12.svg".

Ficheiro:Pulley composite 1-12.svg

This image is a derivative work of the following images: File:Four_pulleys_FH.svg licensed with Cc-by-2.5, Cc-by-sa-3.0-migrated, GFDL 2013-01-20T23:31:21Z...


Ficheiro:Pulley composite 1-16.svg

This image is a derivative work of the following images: File:Pulley_composite_1-12.svg licensed with Cc-by-2.5, Cc-by-sa-3.0-migrated, GFDL 2013-01-26T13:29:44Z...


Ficheiro:Four pulleys FH.svg

This image is a derivative work of the following images: File:Four_pulleys.svg licensed with Cc-by-2.5, Cc-by-sa-3.0-migrated, GFDL 2008-09-14T19:57:25Z...