Question

The moon has a mass of 7.32 × 1022 𝑘𝑔 and a radius of 1,609.4 𝑘𝑚. Calculate the value of "𝑔" at the surface of the moon.

Answer 1

$g=F/m=\frac{GMm}{r^2m}=\frac{GM}{r^2}=\frac{6.67\cdot10^{-11}\cdot7.32\cdot10^{22}}{1609400^2}=1.88\ (m/s^2)$