9th Class Science Force and laws of motion Question Bank MCQs - Force and Laws of Motion

  • question_answer
    What is the SI unit of momentum?

    A) kg-ms           

    B) ms/kg

    C) \[Kg -m{{s}^{-1}}\]          

    D) kg/ms

    Correct Answer: C

    Solution :

    [c] We know that,
    Momentum = Mass \[\times \] Velocity
    p = mv = kg-m/s or kg - \[{{\operatorname{ms}}^{-1}}\]
    So, SI unit of momentum is kg-\[{{\operatorname{ms}}^{-2}}\]


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