Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Question in Mecanic

  1. Oct 18, 2013 #1
    when we use a change of reference
  2. jcsd
  3. Oct 18, 2013 #2


    Staff: Mentor

    Hi adnane.Physics, welcome to PF

    You can change reference frames whenever you want. That is essentially what the first postulate of relativity states.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook