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Laws of Motion

  1. Sep 3, 2009 #1
    Q-1 : A bodu weighs 8 gm when placed in one pan and 18 when placed on a other pan of a false balance . If the beam is horizontal when both the pans are empty , the true weight of the body is

    Q-2 : when one swims across a river max. energy is spent in second 1/3 of the distance why ?
     
  2. jcsd
  3. Sep 4, 2009 #2

    Redbelly98

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    Welcome to PF.

    Our rules state that you'll have to show an attempt at solving the problems before receiving help.
     
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