Mechanical Advantage

Mechanical Advantage - Pulleys

Uploader: ScienceOnline
Video Description: 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.

Tags for this video: advantage levers machines mechanical pulleys simple
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just a question... ... ( 1 year ago by turmat01)

just a question... does the tiny difrence in diameter of the two pulleys from the top really makes a diffrence in the mechanical advantage? the diameters were really close... i dont think it really makes a diffrence... does it?

This man is kinda ... ( 1 year ago by OblivionDA)

This man is kinda cute.

you are a great ... ( 1 year ago by dic)

you are a great teacher. I'm a science dumber and thx to you, I understand more. Please post more for us.

Great collection of ... ( 1 year ago by DTOlness2860)

Great collection of videos, I wish I had you as a teacher:)

Love the Videos, ... ( 1 year ago by Ryuranger)

Love the Videos, you Rule :)

wow Mr. scientist ... ( 1 year ago by fr3d420)

wow Mr. scientist guy, that was really informative, i watched the entire thing. pulleys are a really cool thing! I have definitely learned stuff from watching this. thanks for taking your time to make this video!

To get the ... ( 1 year ago by 5otrebor5)

To get the mechanical advantage of a pulley you can just count the number of supporting ropes.

The diameter of the ... ( 1 year ago by DSMeTailer)

The diameter of the pulley is the most important part. speed=distance/time The chain on the larger wheel moves on the pulley a greater distance than the part of the chain on the smaller pulley in the same amount of time. Check out the gears on a bicycle sometime, it will become clear.

Very intresting! ( 1 year ago by SoraRawks)

Very intresting!

Thanks for posting ... ( 1 year ago by danthefierce)

Thanks for posting these vids scuz i finally understand my 5th grade teacher... how ever long ago that was

my brain hurts @_@ ( 1 year ago by booglegoog)

my brain hurts @_@

is there anything ... ( 1 year ago by benjaminchu)

is there anything on MA of gears

This is very ... ( 1 year ago by Flam3o)

This is very interesting!

At 6.2 minutes here ... ( 1 year ago by Rasengan1122)

At 6.2 minutes here... It's 4, Right?

amazing.... this ... ( 1 year ago by Sorrow316)

amazing.... this teaches me what i learned in school that took 1 month... in 12 minutes

You are such a ... ( 1 year ago by cona00)

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.

Nicely done. Thanks. ( 11 months ago by jmcmovie)

Nicely done. Thanks.

Thanks for giving ... ( 4 months ago by neufer)

Thanks for giving us a mechanical advantage over ignorance of this stuff. I learned something about pulleys and something about teaching.

Ill subscribe you ... ( 2 months ago by Exterminator500)

Ill subscribe you just incase of revision thx =)!!!!

divide by 2 ( 1 month ago by finishedhero)

divide by 2

Its quite simple, ... ( 1 month ago by D4NG3R03S)

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

hey this is nice ( 1 month ago by cjxtremeinc)

hey this is nice

th'at's neat.... ... ( 1 month ago by DrummStika)

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!!!

Work = Force * ... ( 3 days ago by Kizluk)

Work = Force * Distance
Increase the distance, decrease the force.

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