At the surface of Jupiter's moon Io, the acceleration due to gravity is 1.81m/s^2 . A watermelon has a weight of 53.0N at the surface of the earth. In this problem, use 9.81m/s^2 for the acceleration due to gravity on earth.
A) What is its mass on the earth's surface?
B) What is its mass on the surface of Io?
C) What is its weight on the surface of Io?