How to calculate the value of g at surface of Earth? (5.97x10^24 kg, 6378 km) , Moon ? (7.35x1022 kg, 1738 km) and Mars? (0.642x1024 kg, 3396 km)
1 Answer
Apr 23, 2018
- Earth:
#9.78\ "m/s"^2# - Moon:
#1.62\ "m/s"^2# - Mars:
#"3.71 m/s"^2#
Explanation:
Acceleration due to gravity
#"g" = "GM"/"R"^2#
where
#"G ="# Universal Gravitational constant#"M ="# Mass of planet#"R ="# Radius of planet
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#color(blue)("g"_"earth" > "g"_"mars" > "g"_"moon")#