Note that there are two forces on the rope, the force of the hand on the rope in the +x direction and the force of the red wagon on the rope in the −x direction. Once you have drawn the free-b...Note that there are two forces on the rope, the force of the hand on the rope in the +x direction and the force of the red wagon on the rope in the −x direction. Once you have drawn the free-body diagram and identified the forces, you can apply Newton's second law, determine the force of the red wagon on the rope, and solve for the force of the hand on the rope.