This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionPolispasto2B.jpg
English: Compound pulley modification of Plispasto2.jpg with an upward force arrow and magnitude label added. I tried to upload as a derivative but I couldn't because it said author information for the old file was required and I couldn't figure out how to do that.
Date
Source
Derivative of Commons file Polispasto2.jpg
Author
Mindbuilder
File:Compound pulley.svg is a vector version of this file. It should be used in place of this JPG file when not inferior.
I tried to upload as a derivative of Polispasto2.jpg but I couldn't because it said author information for the old file was required and I couldn't figure out how to do that. I tried to select the same license as the old file.
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
{{Information |Description={{en|1=Compound pulley modification of Plispasto2.jpg with an upward force arrow and magnitude label added. I tried to upload as a derivative but I couldn't because it said author information for the old file was required and I