Understanding the Impact of Angular Velocity on Mass in Rotating Objects

In summary: CD, does its mass increase?"Now, let's consider the following. If we spin up the CD (to a high angular velocity), the mass of the CD will increase. This is because of the increased relativistic mass of the CD (due to its increased speed). But, if we spin up the CD (to a high angular velocity), the mass of the CD will decrease. This is because of the decreased relativistic mass of the CD (due to its increased speed).So, which is it? Does the mass of the CD increase or decrease when we spin it up?In summary, the mass of a spinning object can seem to increase or decrease depending on the perspective and the reference frame being used. The concept
  • #36
Thanks, stingray!

Chris Hillman
 

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