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The principle of conservation of linear momentum states that in a system it :
  • a)
    cannot be changed
  • b)
    can be changed, if internal forces act on it
  • c)
    can be changed, if external forces act on it
  • d)
    none of the above
Correct answer is option 'A'. Can you explain this answer?
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The principle of conservation of linear momentum states that in a syst...
Law of Conservation of Momentum
In general, the law of conservation of momentum or principle of momentum conservation states that the momentum of an isolated system is a constant. The vector sum of the momenta (momentum is equal to the mass of an object multiplied by its velocity) of all the objects of a system cannot be changed by interactions within the system. In classical mechanics, this law is implied by Newton’s laws. This principle is a direct consequence of Newton’s third law.
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The principle of conservation of linear momentum states that in a syst...
Law of Conservation of Momentum
In general, the law of conservation of momentum or principle of momentum conservation states that the momentum of an isolated system is a constant. The vector sum of the momenta (momentum is equal to the mass of an object multiplied by its velocity) of all the objects of a system cannot be changed by interactions within the system. In classical mechanics, this law is implied by Newton’s laws. This principle is a direct consequence of Newton’s third law.
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