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Vo 70° A carnival ride is designed to allow the general public to experience high-acceleration motion. The ride rotates about point O in a horizontal circle such that the rider has a speed vo. The rider reclines on a platform A which rides on rollers such that friction is negligible. A mechanical stop prevents the platform from rolling down the incline. Determine (a) the speed vo at which the platform A begins to roll upward, (b) the normal force experienced by an 80-kg rider at this speed. Vo 15 m 70° 5 m

Vo 70° A carnival ride is designed to allow the general public to experience high-acceleration motion. The ride rotates about point O in a horizontal circle such that the rider has a speed vo. The rider reclines on a platform A which rides on rollers such that friction is negligible. A mechanical stop prevents the platform from rolling down the incline. Determine (a) the speed vo at which the platform A begins to roll upward, (b) the normal force experienced by an 80-kg rider at this speed. Vo 15 m 70° 5 m

International Edition---engineering Mechanics: Statics, 4th Edition
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter9: Moments And Products Of Inertia Of Areas
Section: Chapter Questions
Problem 9.46P
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The carnival ride from Prob 12.51 is modified so that the 80-kg riders can move up and down the inclined wall as the speed of the ride increases. Knowing that the coefficient of static friction between the wall and the platform is 0.2, determine the range of values of the constant speed v0 for which the platform will remain at h = 1.5 m.
Reference to Problem 12.51:

Vo 70°
Transcribed Image Text:Vo 70°
A carnival ride is designed to allow the general public to experience high-acceleration motion. The ride rotates about point O in a horizontal circle such that the rider has a speed vo. The rider reclines on a platform A which rides on rollers such that friction is negligible. A mechanical stop prevents the platform from rolling down the incline. Determine (a) the speed vo at which the platform A begins to roll upward, (b) the normal force experienced by an 80-kg rider at this speed. Vo 15 m 70° 5 m
Transcribed Image Text:A carnival ride is designed to allow the general public to experience high-acceleration motion. The ride rotates about point O in a horizontal circle such that the rider has a speed vo. The rider reclines on a platform A which rides on rollers such that friction is negligible. A mechanical stop prevents the platform from rolling down the incline. Determine (a) the speed vo at which the platform A begins to roll upward, (b) the normal force experienced by an 80-kg rider at this speed. Vo 15 m 70° 5 m
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