Newton's second law,
N = mω2r
ΣFr = N = mω2r
In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about a vertical axis. Then the floor on which the passengers are standing suddenly drops away! If all goes well, the passengers will stick to the wall and not slide. Clothing has a static coefficient of friction against steel in the range of 0.60 to 1.0 and a kinetic coefficient in the range of 0.40 to 0.70.
What is the minimum rotational frequency, in rpm, for which the ride is safe?
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Uniform Circular Motion concept. You can view video lessons to learn Uniform Circular Motion. Or if you need more Uniform Circular Motion practice, you can also practice Uniform Circular Motion practice problems.