The upward normal force exerted by the floor is 670N on an elevator passenger who weighs 720 N. Part A: What is the reaction force to the upward normal force exerted by the floor? Express your answer in newtons. Part B: What is the reaction force to weight of the passenger? Express your answer in newtons. Part C: What is the magnitude of the acceleration? Express your answer in meters per second squared.

The upward normal force exerted by the floor is 670N on an elevator passenger who weighs 720 N. Part A: What is the reaction force to the upward normal force exerted by the floor? Express your answer in newtons. Part B: What is the reaction force to weight of the passenger? Express your answer in newtons. Part C: What is the magnitude of the acceleration? Express your answer in meters per second squared.