: A student of weight 678 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force on the student from the seat is 542 N. (a) What is the magnitude of at the lowest point? If the wheel's speed is doubled, what is the magnitude FN at the (b) highest and (c) lowest point?

(a) 814N

(b) 132.7N

(c) 1223N

Explanation:

At the top and bottom the direction of the normal force is upwards. At the top the acceleration is negative while at the bottom the acceleration is positive. At the top the acceleration is directed downwards while at the bottom it is directed upwards.

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