An apple falls from a tree because of the gravitational attraction between the earth and the apple. If F1 is the magnitude of the force exerted by the earth on the apple and F2 is the magnitude of the force exerted by the apple on the earth, then
A. F1 is very much greater than F2
B. F2 is very much greater than F1
C. F1 and F2 are equal
D. F1 is only a little greater than F2
Answer:C
An apple falls from a tree because of the gravitational attraction between the earth and the apple. If F1 is the magnitude of the force exerted by the earth on the apple and F2 is the magnitude of the force exerted by the apple on the earth, then
A. F1 is very much greater than F2 B. F2 is very much greater than F1 C. F1 and F2 are equal D. F1 is only a little greater than F2