point mass in a sentence

Examples

1. :: : : It's only a mathematical impossibility in the 2-body point mass ( or rigid ball ) model.
2. Planetary motions in the Solar System can be computed with sufficient precision if they are treated as point masses.
3. It's true that the Earth is sometimes modelled as a point mass with all the mass at the center.
4. Can I use the continuum hypothesis, or can a body be considered rigid, or even as a point mass?
5. Kepler's Laws are a strict mathematical consequence of Newton's Law of Gravitation when one has only two point masses.
6. In orbital mechanics, the equations of motion of planets are formulated as point masses located at the centers of mass.
7. Similar behavior is observed for a double pendulum composed of two point masses rather than two rods with distributed mass.
8. The expression gives the gravitational potential associated to a point mass or the Coulomb potential associated to a point charge.
9. In order to complete the equations of motion, the acceleration of the point mass attached to the pendulum must be computed.
10. The solution for a two-body problem is the Kepler orbit; spheres can be treated as point masses located at their centers.