Please help...................

Answer:
C
Explanation:
This formula Is for gravitational force and r represent distance between two bodies ,example- earth and you when you jump there will a distance but you will be attracted by the earth. If you change planet the number used in the formula will change and so Will gravity. (GM=Mass of body ) (g=costant)
[tex]fg = \frac{gm1 \times gm2}{r {}^{2} } \times g[/tex]