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Y-intercept in Weight-Mass Graph

  1. Nov 9, 2011 #1
    1. The problem statement, all variables and given/known data
    What is the physical meaning of the vertical intercept for weight-mass graph?

    2. Relevant equations

    there is no equations

    3. The attempt at a solution
    I know that the y-intercept is zero.
  2. jcsd
  3. Nov 9, 2011 #2
    Think about it.. What is the relationship between mass and weight? On Earth, can there be one without the other?
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