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JEE Main & Advanced Mathematics Vector Algebra Question Bank Vector or Cross product of two vectors and its application

  • question_answer
    The moment of the force \[\overrightarrow{F}\] acting at a point P, about the point C is                                            [MP PET 1987]

    A)                 \[\overrightarrow{F}\times \overrightarrow{CP}\]

    B)                 \[\overrightarrow{CP}\,.\,\overrightarrow{F}\]

    C)                 A vector having the same direction as \[\overrightarrow{F}\]

    D)             \[\overrightarrow{CP}\times \overrightarrow{F}\]

    Correct Answer: D

    Solution :

                    Torque \[=\mathbf{r}\times \mathbf{F}\] or \[\overrightarrow{CP}\times F.\]


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