Two school classes are playing tug-of-war with a rope. one class pulls on the rope with a 75 n force to the left, the other pulls with a 40 n force to the right. which two statements describe this situation? a. the forces are balanced, and the rope does not move. b. the forces are unbalanced, and the rope will move to the left. c. the net force on the rope is 115 n to the right. d. the net force on the rope is 35 n to the left.