The cars of an amusement park ride have a speed VA- 19 m/s at A and a speed vg 11 m/s at B. If a 54-kg rider sits on a spring scale (which registers the normal force exerted on it), determine the scale readings as the car passes points A and B. Assume that the person's arms and legs do not support appreciable force. Part 2 mg NA Answer: NA- A Save for Later 49 m The free-body diagram for the rider at A is shown. Solve for the normal force NA. an VB N 25 m B Attempts: 0 of 1 used Submit Answer Part 3 The parts of this question must be completed in order. This part will be available when you complete the part above.