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Mechanical Advantage - Pulleys

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Download/DVD: http://hilaroad.com/video/ This video uses working simple machines to demonstrate how to calculate mechanical advantage. Suitable for any school program involving simple machines. Demonstrates pulley systems including a chain block.

Channel: Science & Technology
Uploaded: November 30, 1999 at 12:00 am
Author: ScienceOnline

Length: 12:26
Rating: 4.92
Views: 27005

Tags: advantage  levers  machines  mechanical  pulleys  simple  

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Video Comments

tetleyteakeely (November 30, 1999 at 12:00 am)
thanks for helping!
DrummStika (November 30, 1999 at 12:00 am)
th'at's neat.... now if i'm ever stuck out in the wilderness and I need to build a pulley system to hoist a log to build a hut, I KNOW HOW TO DO IT!!!
cjxtremeinc (November 30, 1999 at 12:00 am)
hey this is nice
D4NG3R03S (November 30, 1999 at 12:00 am)
Its quite simple, What you lose in distance You will win in power.. If you want twice as mutch power, you need twice as mutch rope
finishedhero (November 30, 1999 at 12:00 am)
divide by 2
Exterminator500 (November 30, 1999 at 12:00 am)
Ill subscribe you just incase of revision thx =)!!!!
neufer (November 30, 1999 at 12:00 am)
Thanks for giving us a mechanical advantage over ignorance of this stuff. I learned something about pulleys and something about teaching.
jmcmovie (November 30, 1999 at 12:00 am)
Nicely done. Thanks.
cona00 (November 30, 1999 at 12:00 am)
You are such a brilliant teacher you should do this is a living. You are better than any science teacher i have ever been taught by.
Sorrow316 (November 30, 1999 at 12:00 am)
amazing.... this teaches me what i learned in school that took 1 month... in 12 minutes

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