Physics Flashcards | Quizlet
Physics. The chain on a bicycle turns the rear wheel via a gear cluster, as shown in Figure Q7.6. The gears vary in size; the smallest gear has a radius of 2.3 cm, the largest a radius of 6.0 cm. If we assume a constant tension in the chain, which gear—the smallest or the largest—is the better choice for a rapid start?
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