Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter9: Energy In Nonisolated Systems
Section: Chapter Questions
Problem 16PQ
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Topic Video
Question
Figure P6.57 shows a photo of a swing a ride at an amusement park. The structure
consists of a horizontal, rotating, circular platform of diameter D from which seats of
mass m are suspended at the end of massless chains of length d. When the system
rotates at constant speed, the chains swing outward and make an angle θ with the
vertical. Consider such a ride with the following parameters: D = 8.00 m, d = 2.50 m, m
= 10.0 kg, and θ = 28.0°. (a) What is the speed of each seat? (b) Draw a diagram of forces
acting on the combination of a seat and a 40.0-kg child and (c) find the tension in the
chain
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