Newton’s law of universal gravitation states that the force of gravity
Select one:
a. is stronger for objects that are closer together.
b. affects all objects in the universe.
c. is stronger for objects with more mass.
d. all of the above
All of the above as it states that "a particle attracts every other particle in the universe using a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers"