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Railways RRB (Assistant Loco Pilot & Technician) Solved Paper-2 (2013)

  • question_answer
    A force of 100 N acts on a huge mass of 100 kg for\[0.1s\]. Change in momentum will be

    A)  \[100kgm/s~\]

    B)  \[10\text{ }kg\text{ }m/s\]

    C)  \[1\text{ }kgm/s\]              

    D)  \[0.1\text{ }kgm/s\]

    Correct Answer: B

    Solution :

    Impulse = Change in momentum Impulse = Force \[\times \] Time \[=100\times 0.1=10kg\,m/s\]


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