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In my physics textbook, the following points are given:-

  1. The Law of Conservation of linear momentum emerges from the homogenecity of space.

  2. Isotropy of Space gives rise to the Law of Conservation of angular momentum.

  3. Homogenity of time gives rise to the Law of Conservation of Energy.

However, no explanation for the above three points has been given in my book.Can someone provide explanation for the above 3 points? (If possible, please include mathematics in your explanation.)

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marked as duplicate by John Rennie, Mriganka Parasar, ZeroTheHero, peterh, Diracology Jul 9 '17 at 13:47

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    $\begingroup$ See Noether's theorem $\endgroup$ – lemon Jul 9 '17 at 7:52
  • $\begingroup$ Thanks. I am a high school student. I had never heard about Neother's theorem earlier. My question has been answered. Please close this question. $\endgroup$ – Mriganka Parasar Jul 9 '17 at 9:21
  • $\begingroup$ @MrigankaParasar: if you would like to close this question you can click the close option and choose to close the question as a duplicate. $\endgroup$ – John Rennie Jul 9 '17 at 9:27

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