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One end of a string of length l is conne...

One end of a string of length l is connected lo a particle of mass m and the other to a small peg on a smooth horizontal table. If the particle moves in a circle with speed v, the net force on the particle directed towards the centre is (where T is the tension in the string)

A

T

B

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

C

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

D

Zero

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  • 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
    0

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