dane:
Mm = 0,64 × 10²⁴ kg
mk = 3 × 10²⁰ kg
r = 1 500 km = 1 500 000 m = 1,5 × 10⁶ m
G = 6,67 10⁻¹¹ Nm²/kg²
szukane:
F = ?
F = G × Mm × mk/r²
F = 6,67 × 10⁻¹¹ Nm²/kg² × 0,64 × 10²⁴ kg × 3 × 10²⁰ kg/(1,5 × 10⁶ m)²
F = 12,8064/2,25 × 10²¹ N ≈ 5,7 10²¹ N