anonymous
  • anonymous
total momentum is not always conserved .true or false.if true explain if false explain
Physics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
is conserved ,when no force act on system that you define .maybe you define a system that force act on it so total momentum is not conserved for more information see Wikipedia
anonymous
  • anonymous
can u please b more precise as a physisit
anonymous
  • anonymous
suppose this figure :|dw:1329061665329:dw| momentum will not conserve ,if you take body(just body) for system ,hence friction act on system,now assume body+ground for system here momentum will conserve hence all of force that act ,are interior

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anonymous
  • anonymous
so if i understand u it means it in a change of momentum the forces acting are in the system then momentum is conserved and if the forces acting are not part of the system then momentum is not conserved e.g friction
anonymous
  • anonymous
yes for more see this http://en.wikipedia.org/wiki/Momentum
anonymous
  • anonymous
if you see this you can find a good risult for conservation of momentum http://hyperphysics.phy-astr.gsu.edu/hbase/conser.html#conmom

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