A 52.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 26.0 m. What force does the seat exert on the child when the child is halfway between the top and bottom? (Assume the Ferris wheel is rotating clockwise and the child is moving upward.) magnitude  __________

Q: 100 N 120 N 260 N 0.4 m B. 0.5 m A 0.3 m 0.2 m 0.2 m

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!