What is the nature of mass and its relationship to movement?

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The forum discussion centers on the nature of mass and its relationship to movement, emphasizing the distinction between rest mass and mass due to movement. It references the theory of relativity, specifically the equation E^2 = c^2p^2 + m_0^2c^4, which illustrates how mass is influenced by kinetic and potential energy. The conversation explores the implications of electromagnetic change on mass, suggesting that all mass may ultimately be a manifestation of electromagnetic phenomena, as proposed by the Higgs theory and quantum mechanics.

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  • Understanding of Einstein's theory of relativity
  • Familiarity with the equations E=mc² and E^2 = c^2p^2 + m_0^2c^4
  • Basic knowledge of quantum mechanics and the Higgs theory
  • Concepts of electromagnetic fields and their interactions
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  • #31
If the density is constant, then the divergence of velocity becomes frequency.

\nu =\vec{\nabla} \cdot \vec{v}

and the quantum of energy can also be given by

E = h \vec{\nabla} \cdot \vec{v}
 
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  • #33
Antonio Lao said:
mass is defined in physics as the product of density and volume. If the mass is constant as is commonly believed to be so, then the change of density and volume with respect to time must both be zero.

\frac{\partial \rho}{\partial t} = 0

\frac{\partial V}{\partial t} = 0

That cannot be right, Antonio. At best, those expressions reduce to 0 = 0.
 
  • #34
Chronos said:
those expressions reduce to 0 = 0.

But using some ideas from the calculus of variation, the expressions indicate extremum conditions for finding a minimum or maximum.

The next step of the analysis is to surmise that mass does subject to change but its change is a prinicple of least action which is a Lagrangian function of the difference between potential energy and kinetic energy.

Mass is really subjected to a principle of double actions given by

A^2 = \int \int L*L dtdt
 
Last edited:

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