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

One end of string of length l 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)

`T+(mv^2)/l`

`T-(mv^2)/l`

Zero

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