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One end of string of length l is connect...

One end of string of length `l` is connected to a particle on mass `m` and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed `v` the net force on the particle (directed toward centre) will be (`T` reprents the tension in the string):

A

T

B

`T+(mv^(2))/(l)`

C

`T-(mv^(2))/(l)`

D

Zero

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Knowledge Check

  • One end of string of length / is connected to a particle of mass 'm' and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed 'v', the net force on the particle (directed towards centre) will be (T represents the tension in the string)

    A
    `T+(mv^2)/(l)`
    B
    `T-(mv^2)/(l)`
    C
    zero
    D
    `T`

  • One end of string of length /mass 'm' and the other end is smooth horizontal table. If the speed 'v', the net force on th center) will be: (T represents the tension in the on the particles tension in the string)

    A
    `T + (mv^(2))/I`
    B
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    1

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