Which of the following statements are true of the law of universal gravitation?
A. any two bodies attract each other with a force which is proportional to the difference of their masses B. any two bodies attract each other with a force which is inversely proportional to the square of the distance between them C. any two bodies attract each other with a force which is proportional to the product of their masses and inversely proportional to the square of the distance between them D. any two bodies attract each other with a force which is proportional to the square of the distance between them E. any two bodies attract each other with a force which is proportional to the sum of their masses
