Relativity and Cosmology

    

Relativity of Mass: Mass Can Decrease with Velocity

Authors: Asutosh Kumar

We present a simple approach for deriving velocity-dependent masses using the principle of relativity. Our analysis reveals that the transformations associated with Galilean, Lorentz, and other space-time frameworks between two inertial reference frames are fundamentally equivalent in the context of the relativity of mass. Consequently, the notion of velocity-dependent mass is not the exclusive characteristic of Special Relativity (Lorentz transformation). Among the notable conclusions drawn from our formalism are: mass can both increase and decrease with velocity, a particle can never be completely at rest, and superluminal signaling is in principle feasible. Furthermore, we discuss on the nature of mass and argue that a photon is not massless.

Comments: 9 Pages. CC BY-NC-SA 4.0

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Submission history

[v1] 2025-03-28 03:16:25
[v2] 2025-05-21 20:14:25
[v3] 2025-07-19 13:22:29

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