Gravity is a force between any two objects with mass. why doesn't a person feel a gravitational force between him/herself and another person?
a) a person doesn't exert a gravitational force.
b) the two gravitational forces cancel each other out.
c) the gravitational forces of people is so small it is overshadowed by that of earth.
d) there are so many people we are actually balanced by all the different gravitational forces.