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About egg drop

  1. Mar 7, 2012 #1
    I am confused that many web sites say that it took 25 N to crack the egg, it's ok but

    When I do the drop test with 8 meter building. So, I calculate the force: 1kg(box) * 9.81m/s^2

    So, the force tat impact my box is 9.81 Newton but the egg was crack. I just confuse!
     
  2. jcsd
  3. Mar 8, 2012 #2

    PhysicoRaj

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    Gold Member

    You dropped a box? Try dropping a single egg. How much does a single egg weigh? I never used them so take it 'x', w=mg
    =9.8x
    They say 25N no? well
    25=9.8x
    x=25/9.8
    =2.55
    an egg can't be 2.55 kg right?
    At what height did they drop the egg?
    momentum=mass*velocity.
    when you drop the egg from great height, by the time it reaches the earth, the velocity increases much and hence momentum. And hence it experiences much force. U must consider the height.
     
  4. Mar 8, 2012 #3
    Ty i get it
     
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