In a popular amusement park ride, a rotating cylinder of radius 2.00 m is set in

Question

In a popular amusement park ride, a rotating cylinder of radius 2.00 m is set in rotation at an angular speed of 6.00 rad/s, as in Figure P7.51. The floor then drops away, leaving the riders suspended against the wall in a vertical position. What minimum coefficient of friction between a rider's clothing and the wall is needed to keep the rider from slipping? (Hint: Recall that the magnitude of the maximum force of static friction is equal to

Explanation / Answer

Answered By "Mohsen" ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- m g = ? N ==> ? = mg/N ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ N = m R w^2 ===> ? = mg/(m R w^2) = g/(m R w^2) = 9.8/(2*6*6) ==> ? = 0.136

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