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The forces exerted upon surface areas

  1. Nov 3, 2008 #1
    For example, I have a floating disk,and there are four propulsors, the propulsors of this disk could generate unlimited opposing force (to the gravity). Let's say this disk weighs 100 grams and I want to find out the gravitational pull on this object and the opposing force required, how do I do it?(No crazy-math explanation plz! =))
     
  2. jcsd
  3. Nov 3, 2008 #2
    You can solve it, but first you must resort to using crazy math.
     
  4. Nov 3, 2008 #3
    ok fine
     
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