The figures show a cart moving over the top of a hill (Case 1), moving at the bottom of a dip (Case 2), and moving at the top of a vertical loop (Case 3). In each case, the normal force acting on the car is A,, and the weight of the car is F',. In which case is it always true that F,, > F,, and in which case is it always true that F, F, Always F. F, Always F. F, Always F, F, Always F,