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Get Full Access to College Physics For Ap® Courses - 1 Edition - Chapter 10 - Problem 14
Get Full Access to College Physics For Ap® Courses - 1 Edition - Chapter 10 - Problem 14

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# Suppose a child walks from the outer edge of a rotating merry-go round to the inside

ISBN: 9781938168932 372

## Solution for problem 14 Chapter 10

College Physics for AP® Courses | 1st Edition

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Problem 14

Suppose a child walks from the outer edge of a rotating merry-go round to the inside. Does the angular velocity of the merrygo-round increase, decrease, or remain the same? Explain your answer.

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Forces of Friction - To slide one such surface across another requires a force larger enough to overcome the resistance of microscopic hills and valley bumping together. This is the origin of the force we call friction - When an object is in motion on a surface or through a viscous medium, there will be a resistance to the motion. - This is due to the interactions between the object and its environment. o This resistance is called the force of friction. - Force that slows down or stops motion. - Force that helps to start motion. - Problem-Solving Hints o Conceptualize  Draw a diagram  Choose a convenient coordinate system for each object o Categorize  Is the model a particle in equilibrium  If so, F = 0  Is the model a particle under a net force  If so, = ma Kinetic friction - Is the friction encounter when surfaces slide against one another with a finite relative speed - Fk acts to oppose the sliding motion at the point of contact between the surfaces - The kinetic frictional force is also independent of the relative speed of the surfaces, and of their area of contact - The force of kinetic friction is proportional to the magnitude of the normal force, N o Fk = µkN - µk o coefficient of kinetic friction o always positive

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##### ISBN: 9781938168932

Since the solution to 14 from 10 chapter was answered, more than 243 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 34 chapters, and 2282 solutions. The answer to “Suppose a child walks from the outer edge of a rotating merry-go round to the inside. Does the angular velocity of the merrygo-round increase, decrease, or remain the same? Explain your answer.” is broken down into a number of easy to follow steps, and 32 words. The full step-by-step solution to problem: 14 from chapter: 10 was answered by , our top Physics solution expert on 03/09/18, 08:07PM. This textbook survival guide was created for the textbook: College Physics for AP® Courses, edition: 1. College Physics for AP® Courses was written by and is associated to the ISBN: 9781938168932.

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