College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Concept explainers

Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth w…
Question
A boy with a mass = 50 kg is riding the ferris wheel the radius of the ferris wheel is 5m The ferris wheel rotates with a frequency of 6/ pi rpm at a constant speed Calculate the centripetal force? calculate the normal force acting on the boy by the seat when he is at the top and bottom of the wheel Normal force on top? Normal force on bottom? Calculate the normal force and friction acting on the boy when he is at the sides of the wheel (assuming he only receives these two forces) Normal force? Friction Force? If the ferris wheel moves to fast by accident the boy feels weightless (normal force is 0N) what is the speed of the ferris wheel? V= m/s
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