Mass distribution is a term used in physics and mechanics and describes the spatial distribution of mass within a solid body. In principle, it is relevant also for gases or liquids, but on earth their mass distribution is almost homogeneous.
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Astronomy
In astronomy mass distribution has decisive influence on the development e.g. of nebulae, stars and planets. The mass distribution of a solid defines its center of gravity and influences its dynamical behaviour - e.g. the oscillations and eventual rotation.
Mathematical modelling
The mathematical modelling can be done by potential theory, by numerical methods (e.g. a great number of
Geology
In geology the aspects of rock density are involved.
Rotating solids
Rotating solids are affected considerably by the mass distribution, either if they are homogeneous or inhomogeneous - see Torque, moment of inertia, wobble, imbalance and stability.
Related topics
- gravity, mass function, Bouguer plate, critical mass
- angular momentum, asymmetry, geoid, isostasy, polar motion
- mass spectrum, molar mass distribution, atmosphere
External links
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