A 40-kg child rides on a circus Ferris wheel that takes her around a vertical circular path with a radius of 30 m every 30 s. What is the magnitude of the total resultant force on the child at the highest point on this trajectory?   Question 10 options:   8.4 N   47 N   1.6 kN   53 N   63 N

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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!