- [Medium]Satellite in circular orbit near Earth surface speed?...
- [Medium]Total mechanical energy of mass m in circular orbit radius r around M?...
- [Medium]Change in potential energy moving mass m from r₁ to r₂ (r₂ > r₁)?...
- [Easy]If distance between two masses doubles, gravitational force becomes?...
- [Hard]At small height h ≪ R above Earth, g decreases approximately by factor?...
- [Easy]Kepler's third law states T² is proportional to?...
- [Hard]If orbital radius doubles, period scales by factor?...
- [Easy]Why is gravitational potential energy of two attracting masses negative?...
- [Medium]Magnitude of binding energy of planet of mass m in circular orbit radius r?...
- [Medium]For depth d inside Earth (uniform density) g_d ≈ g(1 - d/R). Depth where g halves?...
- [Easy]Dimensions of G are?...
- [Medium]Potential at distance r from isolated mass M (zero at infinity)?...
- [Easy]Field strength at distance r from point mass M?...
- [Easy]Gravitational force between two masses depends on?...
- [Easy]Escape velocity from Earth surface (R, g)?...