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A particle tied to a string moves in a c...

A particle tied to a string moves in a circular path in vertical plane. Its velocity at lowerst point is such that it just completes circle. Find the ratio of resultant force on particle at the lowerst point to that at highest point.

Text Solution

Verified by Experts

The correct Answer is:
5

`F_(1)=(mv_(1)^(2))/(e)`
`F_(2)=(mv_(2)^(2))/(e)`
`because(F_(1))/(F_(2))=5`
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Knowledge Check

  • In vertical circular motion, the ratio of kinetic energy of a particle at highest point to that at lowest point is

    A
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    B
    2
    C
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    D
    0.2

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    A
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    `5:4`
    C
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    D
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