In $\mathbf { F } ( t ) = - \frac { \operatorname { GmM } \mathbf { r } ( t ) } { \| \mathbf { r } ( t ) \| ^ { 3 } }$

Multiple Choice

In $\mathbf { F } ( t ) = - \frac { \operatorname { GmM } \mathbf { r } ( t ) } { \| \mathbf { r } ( t ) \| ^ { 3 } }$ , F represents

A) The force of attraction between the planet and the sun
B) The force of attraction between the moon and Earth
C) The gravitational force on Earth
D) The force between galaxies
E) The speed of the planet moving around the sun