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A gear or cogwheel is a rotating machine part having cut teeth, or cogs, ..... Although they cannot exert as much force as a traditional gear, such gears work ...

How Gears Work - HowStuffWorks - Science


Gears are used in tons of mechanical devices. They do several important jobs, but most important, they provide a gear reduction in motorized equipment. This is  ...

Learn About Gears - Home Science Tools


Simple machines are made of one or two parts, and they help us do work like making things move. ... A gear is just a wheel with teeth, sometimes called a cog.

How Gears Work | Gears for Kids | DK Find Out


Gears are wheels with teeth that slot together. When one gear is turned the other one turns as well. If the gears are of different sizes, they can be used to ...

Gear and Wheels Part 1 - YouTube


Feb 22, 2008 ... Motorized Toy Car Challenge video devloped to illustrate concepts in the curriculum: gear speed and direction, circumference, diameter, radius ...

What Are Gears? What Do They Do? - Teach Engineering


Students learn about various types of gears and how they work in machines. They handle and combine LEGO spur gears as an exercise in gear ratios. They see ...

How Gears Work


How Gears Work. Gears are used in tons of mechanical devices. They do several important jobs, but most important, they provide a gear reduction in motorized ...

Bike Gears: How Do They Work - Sportive Cyclist


May 30, 2013 ... Gears are a pretty fundamental part of the modern bicycle. But do you know how they work? Read this post from the Grimpeur Heureux, and ...

Understanding Gears - Gear Ratios and Gear Types Explained


Spur gears are a simple gear type, they take the form of a cylinder or disk with ... say a single bevel gear can work at multiple angles, the bevel gears must be cut  ...

How Gears & Pulleys Work - RcTek


Information about gears that are used to propel radio controlled model cars - how ... Gears are an important part of model cars, without them, they wouldn't be ...

Popular Q&A
Q: How Gear Ratios Work
A: ­ Your browser does not support JavaScript or it is disabled. Up Next How Gears Work How Car Engines Work ­PlanetGreen.com: Bike Gears ­Yo­u see gearsin just ab... Read More »
Source: science.howstuffworks.com
Q: Bicycle gear ratio - how it works?
A: Well, it is the teeth of the gears to look at first. It is the *ratio* of teeth in the pedal sprocket and the wheel sprocket. In summary, the chain "locks" the ... Read More »
Source: answers.yahoo.com
Q: How Gear Ratios Work
A: Other Uses for Gears If you want to create a high gear ratio, nothing beats the worm gear. In a worm gear, a threaded shaft engages the teeth on a gear. Each ti... Read More »
Source: auto.howstuffworks.com
Q: How Does Gear Ratio Work?
A: An automobile has gears in the transmission as well as the final gear reduction in the rear axle. Gears will always have a drive gear that supplies the power an... Read More »
Source: www.ehow.com
Helpful Resources

Gears - How do they work? - Different types explained and compared


Apr 17, 2015 ... An easy-to-understand explanation of how gears work and why they can give a machine more speed or force (but not both at the same time).