What is the universal law of gravitation?
Summarize what this law says in words, and then state the law mathematically. Define each variable in the formula.” The universal law of gravitation describes the force of gravity between two objects. It is summarized in three statements. From CP, p149: The first statement is “Every mass attracts every other mass through the force called gravity.” The second is “The force of attraction between any two objects is directly proportional to the product of their masses”. (Double the mass of one object and you double the force of gravity between the two objects.) The third statement is that “the force of attraction decreases rapidly as the centers of the objects get further apart.” (The force follows an inverse square law with distance. Double the distance between two objects and you weaken the gravity by a factor of 2^2.) I’m not sure how to write the law mathematically here. At the risk of being misleading, the law is: (“sub” items in square brackets) F[g] = G * (M[1]M[2] / d^2). F[g] is t
