KnowraGearsLinked fromLinked fromThe 8 pages that link to Gears, each with the reason it gives.All 8Broader topic 1Related 4Narrower topic 3Gear trainNarrower topic: A gear train is built from gears that engage in successive pairs.Gear ratioNarrower topic: Gear ratio arises from the interaction of two gears.Rack and pinionNarrower topic: The pinion is a gear, while the rack extends gear teeth along a straight line.