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Conservation of momentum

  1. Nov 21, 2009 #1
    Is momentum always conserved when total mechanical energy is conserved?

    My understanding is that this is false, but unsure.
     
  2. jcsd
  3. Nov 21, 2009 #2

    kuruman

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    Consider a ball falling from rest. Neglecting air resistance, its momentum continuously increases (not conserved), but its mechanical energy remains unchanged.
     
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