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Question
1. A 22.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rev/min. What centripetal force must she exert to stay on if she is 1.25 m from its center?
2. What centripetal force does she need to stay on an amusement park merry-go-round that rotates at 3.00 rev/min if she is 8.00 m from its center?
3. Compare each force with her weight.

a) $483 \textrm{ N}$

b) $17.4 \textrm{ N}$

c) $2.24$, $0.0807$

Solution Video

# OpenStax College Physics Solution, Chapter 6, Problem 23 (Problems & Exercises) (2:04)

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