At the surface of a certain planet acceleration due to gravity is one - quarter of that on earth If a brass ball is transported to this planet , then which one of the following statements is not correct ? .
A. The mass of the brass ball on this planet is a quarter
B. The weight of the brass ball on this planet is a quarter of the weight as measured on earth.
C. The brass ball has the same mass on the other planet as on earth
D. The brass ball has the same volume on the other planet as on earth
