Se da:
M(lunii) = 7,349 * 10²²kg
R(lunii) = 1733,5km = 1733500m
γ = 6,67 * 10⁻¹¹N * m² / kg²
gL - ?
Rez:
gL = γ * M(lunii) / R²(lunii) = 6,67 * 10⁻¹¹N * m² / kg² * 7,349 * 10²²kg /
/ (1,73 * 10⁶m)² = 16,3 * 10⁻¹¹ * 10¹⁰N/kg = 16,3 * 10⁻¹ = 1,63m/s².
R/S: gL = 1,63m/s².