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Newton's laws

  1. Jan 22, 2014 #1
    1. The problem statement, all variables and given/known data

    Which law determines the strength of a pull between two objects
    A. Newtons first law
    B. Newtons second law
    C. Newtons law of universal gravitation
    D. Newtons third law

    2. Relevant equations


    3. The attempt at a solution

    I say it is c because a pull is a force and the law of gravitation is used to tell the magnitude of a force between objects
  2. jcsd
  3. Jan 22, 2014 #2
    Yes it is right:smile:
  4. Jan 22, 2014 #3


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    My problem is that there are other forces in the universe than just gravitation. Otherwise I agree.
    And formulating the OP with "gravitational pull" instead of just pull would make it a giveaway I suppse.
  5. Jan 23, 2014 #4


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    Gold Member

    BvU did you read the title?
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