A person pushes two boxes with a horizontal 100 N force on a frictionless floor, as shown in the figure. Box A is heavier than box B. Which statement about these boxes is correct? The boxes move with constant velocity. A. Box A pushes on box B harder than box B pushes on box A.
B. Box A pushes on box B with a force of 100 N, and box B pushes on box A with a force of 100 N.
C. Boxes A and B push on each other with equal forces of less than 100 N.
D. The boxes will not begin to move unless the total weight of the two boxes is less than 100 N.