A 50-kg child riding a Ferris wheel (radius = 10 m) travels in a vertical circle. The wheel completes one revolution every 10 s. What is the magnitude of the force on the child by the seat at the highest point on the circular path?
A. 0.29 kN
B. 0.49 kN
C. 0.69 kN
D. 0.20 kN
E. 0.40 kN
Answer: A
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