8th Edition

ISBN: 9780134532417

Author: Voit

Publisher: YUZU

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If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!

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Textbook Question

Chapter 4, Problem 36EAP

How Does the Table Know? Thinking deeply about seemingly simple observations sometimes reveals underlying truths that we might otherwise miss. For example, think about holding a golf ball in one hand and a bowling ball in the other. To keep them motionless, you must actively adjust the tension in your arm muscles so that each arm exerts a different upward force that exactly balances the weight of each ball. New, think about what happens when you set the balls on a table. Somehow, the table exerts exactly the right amount of upward force to keep the balls motionless, even though their weights are very different. How does a table know” to make the same type of adjustment that you make consciously when you hold the balls motionless in your hands? (Hint: Think about the origin of the force pushing upward on the objects.)

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Chapter 4, Problem 35EAP

Chapter 4, Problem 37EAP

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