This model shows the same disk 2.25 kg disk as in the Flying Disk model, now at rest in the laboratory, hanging on a pin on the wall. The forces acting on the disk have not changed except in name. The force resulting from the acceleration in the previous model is now called weight. The applied force of the Flying Disk model is now labeled Reaction Force because in our new point of view, it is the weight that is acting to pull the disk down and the pin supports the reaction to that pull.