JEE Main & Advanced Physics Vectors Question Bank Addition and Subtraction of Vectors

  • question_answer
    There are two force vectors, one of 5 N and other of 12 N at what angle the two vectors be added to get resultant vector of 17 N, 7 N and 13 N respectively

    A) \[0{}^\circ \], \[\text{18}0{}^\circ \] and \[\text{9}0{}^\circ \]   

    B)                 \[0{}^\circ \], \[\text{9}0{}^\circ \] and \[\text{18}0{}^\circ \]

    C)                                 \[0{}^\circ \], \[\text{9}0{}^\circ \] and \[\text{9}0{}^\circ \]      

    D)                 \[\text{18}0{}^\circ \], \[0{}^\circ \] and \[\text{9}0{}^\circ \]

    Correct Answer: A

    Solution :

        For 17 N both the vector should be parallel i.e. angle between them should be zero. For 7 N both the vectors should be antiparallel i.e. angle between them should be \[\text{18}0{}^\circ \] For 13 N both the vectors should be perpendicular to each other i.e. angle between them should be \[\text{9}0{}^\circ \]


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