Skip to content
PhysRef
Physics reference
Home
Formulas
Search
Constants
Tools
Guides
Sheets
Practice
Saved
Premium
Mechanics
Mechanics
Gravitational Field
g
=
G
M
r
2
g = \frac{GM}{r^2}
g
=
r
2
GM
g = GM/r²
Gravitational field strength at distance r.
Save
Share
Copy
Print
Variables
g
Gravitational field
Field strength
m/s²
G
Gravitational constant
6.674×10⁻¹¹
N·m²/kg²
M
Mass
Source mass
kg
r
Distance
From center of mass
m
Derivation
g = F/m = GM/r² from universal gravitation.
Your notes
Save note
0/5000