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  5. Force and laws of motion

9th Class Science Force and laws of motion Question Bank Self Test-5

  • question_answer
    A ball of mass m is thrown vertically upwards. What is the rate at which the momentum of the ball changes?

    A)  Zero

    B)  Infinity

    C)  Mg

    D)  Data is not sufficient

    E)  None of these

    Correct Answer: C

    Solution :


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