On the abuse and use of relativistic mass, Gary Oas, physics/0504110 v2, 21 Oct 2005
Abstract. The concept of a velocity dependant mass, relativistic mass, is examined and is found to be inconsistent with the geometrical formulation. This is not a novel result; however, many continue to use this concept and some have even attempted to establish it as the basis or special relativity. It is argued that the oft-held view that formulations of relativity with and without relativistic mass are equivalent is incorrect. Left as a heuristic device a preliminary study of first time learners that misconceptions can develop when the concept is introduced without a basis. In order to gauge the extent and nature of the use of relativistic mass a survey of the literature on relativity has been undertaken. The varied and at times self-contradicting use of this concept points to the lack of clear consensus on the formation of relativity. As geometry lies at the heart of all modern representations of relativity, it is urged, once again, that the use of the concept at all levels be abandoned.