Pully experiment in progressJames has been working out how efficient pulleys can be.

With Andrew’s help, James made a mass of 140g lift a mass of 600g!!

Impossible?  No!  It’s something to do with the number of strings.

Try it out for yourself in the science room.

Written on Thursday, September 24th, 2009 at 6:21 pm by Katie Shipley. Filed under curriculum, Links for students.

2 comments to “Pulleys”

  1. PhilS said, at 4:02 pm on September 25th, 2009 :

    Holy Socks!

    Mass in the science room?



    Hit me with yo crazy science James, I’m intrigued!

  2. Ian said, at 10:38 am on September 26th, 2009 :

    Surely this is impossible, no matter how many strings you pull??

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