5th Edition

ISBN: 9780321976444

Author: James S. Walker

Publisher: PEARSON

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Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

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Textbook Question

Chapter 6, Problem 87PP

Referring to Example 6-15 (a) At what speed will the force of static friction exerted on the car by the road be equal to half the weight of the car? The mass of the car is m = 1200 kg, the radius of the corner is r = 45 m, and the coefficient of static friction between the tires and the road is μ_s = 0.82. (b) Suppose that the mass of the car is now doubled, and that it moves with a speed that again makes the force of static friction equal to half the car’s weight. Is this new speed greater than, less than, or equal to the speed in part (a)?

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Chapter 6, Problem 86PP

Chapter 7.1, Problem 1EYU

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