ocr: Gear speeds LOW SPEED MOTOR SSSN HIGH SPEED When gears speed up or slow down, they also change the amount of turning force transmitted: the faster the gear, the lower the turning force. The amount by which a set of gears increases rotational speed or turning force can be given 1n terms of a gear ratio. The turning speed of a pair of gears is simply the number of teeth on the larger gear divided by the number of teeth on the smaller gear. For example, if one gear has 15 teeth and another gear has 45, the ratio between them 1s: 45 3 15 I This can also be written 3:1. The ratio between the turnin ...
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