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Physics / University Physics 13 / Chapter 10 / Problem 5DQ

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

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Serious bicyclists say that if you reduce the weight of a

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QUESTION:

Serious bicyclists say that if you reduce the weight of a bike, it is more effective if you do so in the wheels rather than in the frame. Why would reducing weight in the wheels make it easier on the bicyclist than reducing the same amount in the frame?

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QUESTION:

Serious bicyclists say that if you reduce the weight of a bike, it is more effective if you do so in the wheels rather than in the frame. Why would reducing weight in the wheels make it easier on the bicyclist than reducing the same amount in the frame?

ANSWER:

Solution 5DQ Step 1 of 2: A more massive wheel is harder to speed up and slow down. Also, it is harder to turn. So lighter wheels will allow you to speed up more easily, and they will make quicker turns. The place to save the weight on the wheel is at the perimeter. If you save a lot of weight in your hubs, it won't make much of a difference. If you save a lot of weight in your tires, you will notice a difference. Or

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