6. A person is attracted toward the center of the Earth by a 500 N gravitational force. The force that the Earth is attracted toward the person is...

a. 500 N
b. Much less than 500 N
c. Much more than 500 N

c. Much more than 500 N

This is due to Newton's third law, which states that for every action there is an equal and opposite reaction. The person may be attracted towards the Earth with a 500 N force, but the Earth is attracted towards the person with an equal and opposite force of 500 N.