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Mass and Weight

  1. May 21, 2009 #1
    Sorry for the unoriginal question but what is the differnece between mass and weight? Its been bothering me lately :frown: Does mass change? What exactly is mass?
  2. jcsd
  3. May 21, 2009 #2
    Check wikipedia:
    So your weight on the moon is less albeit your mass is the same.

    What is mass?
    Mass is the m in [tex]F=m\cdot a[/tex]
    And Mass is what causes gravity.

    Mass is where the search ends, we haven't discovered some inner mechanism that produces it.
  4. May 21, 2009 #3
    What do the veriables mean in the formula?
  5. May 21, 2009 #4


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  6. May 21, 2009 #5
    Thanks zapper :smile:
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