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Relativistic mass affect weight of an object?

  1. Sep 16, 2010 #1
    For example, a top spinning near the speed of light, would the relativistic mass be affected by gravity and therefore increase the weight of the object?

    If it does, then are the highest speeds which we could realistically get it to spin at it not even close to the speed of light, making any mass/weight gain negligible?

    Also, if you were to have say something like a ring that has a ring inside it which spins, powered by a motor, and inside that ring another one just like it spins adding its containing ring's speed to it, and do that with enough rings, how close do you think you could get to the speed of light?

    And an extension of the above question I have is would anything happen if the rings had a electric/magnetic charge while they were spinning?

    Sorry if this is in the wrong section.
  2. jcsd
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