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JEE Main & Advanced Physics Two Dimensional Motion Question Bank Self Evaluation Test - Motion in a Plane

  • question_answer
    Let \[\overrightarrow{C}=\overrightarrow{A}+\overrightarrow{B}\] then

    A) \[|\overrightarrow{C}|\] is always greater than \[|\overrightarrow{A}|\]

    B) it is possible to have \[|\overrightarrow{C}|\,<\,|\overrightarrow{A}|\] and  \[|\overrightarrow{C}|\,\,<\,\,|\overrightarrow{B}|\]

    C) \[\overrightarrow{C}\] is always equal to \[\overrightarrow{A}+\overrightarrow{B}\]

    D) \[\overrightarrow{C}\] is never equal to \[\overrightarrow{A}+\overrightarrow{B}\]

    Correct Answer: B

    Solution :

    [b] As \[\overrightarrow{C}=\overrightarrow{A}+\overrightarrow{B}\] and \[|\overrightarrow{C}|\,<\,|\overrightarrow{B}|\] \[\therefore \,\,\,\,\,|\overrightarrow{C}|\,<\,|\overrightarrow{A}|\]


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