Question 1124135: Calculate the acceleration due to gravity (g) in m/s2 on a planet, other than earth, where a 5kg object weighs 20 N. Answer by ikleyn(52908) (Show Source):
The weight of the body is the product of its mass times acceleration due to gravity
W = m*g.
Therefore, g = , and you have everything given to calculate "g" on your own.