When is energy converted to mass? What are the required conditions to do so?
22168
What keeps mass from turning into energy?
22090
Does the (relativistic) mass change? Why?
129124
What is a mass moment?
83136
Positive Mass Theorem
107446
How to measure the mass of the electron?
137061
Understanding the different kinds of mass in gravity
6845
What if we could give photons some mass?
84892
What truly is mass, and is there a direct way to measure it?
45625
Is energy content of a system different depending on the observer?
139513
Elastic potential energy and equilibrium position when mass changes in vertical mass-spring system
89295
The interpretation of mass in quantum field theories
44566
Is (rest) mass conserved in special relativity?
90917
Why do we have an elementary charge but no elementary mass?
42186
When is the Hamiltonian of a system not equal to its total energy?
28057
Deriving $p = mv$ from translational symmetry (momentum conservation law)?
14354
Mass defect- From where mass is being lost?
117958
Confusions relating mass defect