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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

Gears

A power point presentation by Student Name.

definition
Definition

A wheel with teeth that interlocks with another gear.

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

definition1
Definition

There are two kinds of gears:

~driver gears

~follower gears

gears in everyday life
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

mechanical advantage
Mechanical Advantage

This is the MA formula :

MA=radius of driver gear

radius of follower gear

speed ratio
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

mechanical advantage problem
Mechanical Advantage Problem

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
Solution

MA=10cm

5cm

MA=2

webography
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