Acceleration due to Gravity at Height h above Surface (g(h) = GM/(R+h)² ≈ g0(1−2h/R))
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g(h) = GM/(R+h)² ≈ g0(1−2h/R)
What each symbol means
| Symbol | What it stands for |
|---|---|
| R | Planet radius |
| h | Height above surface |
| g_0 | Surface g = GM/R² |
| g_h | g at distance (R+h) from centre |
When to use this
Spherical body, h ≪ R for binomial linear approximation.