Gears

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# Gears - PowerPoint PPT Presentation

Gears. A power point presentation by Student Name. Definition. A wheel with teeth that interlocks with another gear. http://www.webthing.net/settingsun/. Definition. There are two kinds of gears:. ~driver gears. ~follower gears. Gears in Everyday Life.

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Presentation Transcript

### Gears

A power point presentation by Student Name.

Definition

A wheel with teeth that interlocks with another gear.

http://www.webthing.net/settingsun/

Definition

There are two kinds of gears:

~driver gears

~follower gears

Gears in Everyday Life

You can find gears in almost anything mechanical that moves. Here are some examples:

~ Clocks

~ Car motors and transmissions

~ VCRs

www.presentersonline.com/resources/ clipart/gifs/gears.gif

This is the MA formula :

Speed Ratio

Gears give you force or speed advantages.

~For a speed advantage,the driver gear is bigger than the follower gear.

~The formula for a speed advantage in gears is

SR= # of teeth on driver gear

# of teeth on follower gear

Bob turns a gear that has a radius of 10 cm.

If the follower gear has a radius of 5cm, what is the mechanical advantage of the two gears?

daihatsu-ie.ingway.ne.jp/showroom/ features/main.html

Solution

MA=10cm

5cm

MA=2

Webography

Science Focus 8

http://www.webthing.net/settingsun/

www.presentersonline.com/resources/ clipart/gifs/gears.gif

daihatsu-ie.ingway.ne.jp/showroom/ features/main.html

Clip Art