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BVP Medical BVP Medical Solved Paper-2001

  • question_answer
    A force \[(3\hat{i}+2\hat{j})\]N displaces an object through a distance \[(2\hat{i}+3\hat{j})\] m. The work done will be:

    A)  15 J                                       

    B)  11 J

    C)  4 J                                         

    D)  zero J

    Correct Answer: D

    Solution :

                                                                                      Work done is given by \[W=\overrightarrow{F}\times \overrightarrow{s}=(3\hat{i}+2\hat{j}).(2i-3j)\] \[=6-6=0J\]


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