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Which of the following are correct statements about Newton's Second Law?

  1. (a) Force equals rate of change of momentum
  2. (b) F = ma only when mass is constant
  3. (c) It is valid in non-inertial frames without modification
  4. (d) Net force zero implies constant velocity
Answer and solution

Answer (a), (b), (d)

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Study Newton's Laws of Motion

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