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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2006

  • question_answer
    A particle is moving on circular path. The centripetal force is inversely proportional to distance r. The velocity of particle will

    A)  be proportional to r

    B)  not depend upon r

    C)  be inversely proportional to r

    D)  be proportional to\[{{r}^{2}}\]

    Correct Answer: B

    Solution :

     Centripetal force, \[F=\frac{m{{v}^{2}}}{r}\] or                \[F\propto \frac{1}{r}\] Therefore, the velocity of particle does not depend upon r.


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