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muhammadyou
Group Title
A 30kg child rides on a circus Ferris wheel that takes her around a vertical circular path with a radius of 20 m every 22 s. What is the magnitude of the resultant force on the child at the highest point on this trajectory?
 2 years ago
 2 years ago
muhammadyou Group Title
A 30kg child rides on a circus Ferris wheel that takes her around a vertical circular path with a radius of 20 m every 22 s. What is the magnitude of the resultant force on the child at the highest point on this trajectory?
 2 years ago
 2 years ago

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Shadowys Group TitleBest ResponseYou've already chosen the best response.1
Note: it is given that the period of the rotation is 22s. From this: \(v=\frac{2 \pi r}{T}\) Then you have the velocity. Now, note also that the centripetal force, is actually the resultant force! By \(F_c = m \frac{v^2}{r}\)
 2 years ago

muhammadyou Group TitleBest ResponseYou've already chosen the best response.0
This is a ferris wheel and the forces on the child is Normal force upward and force of tension downward. So the equation is Force of tension  Normal force = FC. Is it not right?
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.1
In a ferris wheel, the tension does not act on the child...right? She isn't hung by a steel cable... The resultant force, or \(\Sigma F=F_c\)
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.1
I'm assuming, that the girl doesn't just stick to the wheel. But you should get the answer that way. Good luck! :)
 2 years ago
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