Lesson 5: How Can You

In the gearbox, a large gear (with many teeth) is attached to the end of the turbine shaft. This large gear meshes with a small gear (with few teeth) as shown in Figure 5.13. As the large gear rotates, the small gear is forced to rotate, but at a higher rotational velocity – for each rotation of the large gear, the small gear rotates several ... ................
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