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JEE Main & Advanced Sample Paper JEE Main Sample Paper-41

  • question_answer
    A child pushes a toy box 4.0 m along the floor by means of a force of 6 N directed downward at an angle of \[37{}^\circ \] to the horizontal. How much work does the child do?

    A)  18.0 J                        

    B)  19.2 J

    C)  14.4 J                        

    D)  None of these

    Correct Answer: B

    Solution :

    Work =Fs cos \[37{}^\circ \]     = (6) (4) (0.80) = 19.2 J


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