JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Second Law of Motion

  • question_answer
    In the above question, the impulse acting on the object is [CPMT 1971]          

    A)                              \[120\ newton\times \sec \]                  

    B)                       \[-120\ newtont\sec \]          

    C)                         \[30\ newton\times \sec \]                    

    D)                         \[-30\ newton\times \sec \]

    Correct Answer: B

    Solution :

                              Impulse = Force ´ Time = \[-30\times 4=-120\]N-s          


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