Physics

Gravitational Field Strength

Field strength at distance r from a mass.

Formula

Formula
g = G Mr2

Variables

SymbolDefinitionType & rangeUnitsRole
M mass (kg) real number (ℝ) kg input
r distance (m) real number (ℝ) m input

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
GivenM (kg) = 5.972e+24, r (m) = 6371000
Result9.819532033
Example 2
GivenM (kg) = 7.348e+22, r (m) = 1737000
Result1.625383