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.
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.
{{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