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Building Robots with LEGO® Mindstorms® NXT by David Astolfo, Guilio Ferrari, Mario Ferrari

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Chapter 2. Playing with Gears

Solutions in this chapter:

Introduction

You might find yourself asking “Do I really need gears?” Well, the answer is yes, you do. Gears are so important for machines that they are almost their symbol: Just the sight of a gear makes you think machinery. In this chapter, you will enter the amazing world of gears and discover the powerful qualities they offer, transforming one force into another almost magically. We’ll guide you through some new concepts—velocity, force, torque, friction—as well ...

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