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9th Class Science Work and energy Question Bank Work, Energy and Power

  • question_answer
    The work done by a man in holding a \[15\,\,kg\] suitcase while waiting for a bus for \[45\] minutes is

    A) \[675\,\,J\]        

    B)        \[405\,\,J\]

    C) \[450\,\,J\]        

    D)        \[zero\]  

    Correct Answer: D

    Solution :

     Work done by a man in holding a suitcase while waiting for a bus, i.e. he is in stationary position. As there is no displacement, no work is done by him.


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