Keywords: Tait's proof.svg en The forces on a segment of a string under tension after P G Tait http //www archive org/stream/encyclopediabrit15newyrich page/740/mode/2up Encyclopædia Britannica 9th edition vol XV p 741 1883 2012-02-22 own Pieter Kuiper cc-zero Uploaded with UploadWizard Waves on ropes and strings |