One end of a string of length l is connected to 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 :

(i) T

(ii) T – $$\dfrac{mv^2}{I}$$

(iii) T + $$\dfrac{mv^2}{I}$$

(iv) 0

T is the tension in the string. [Choose the correct alternative].

Asked by Pragya Singh | 1 year ago |  81

##### Solution :-

The net force acting on the particle is T, and it is directed towards the centre. It provides the centripetal force required by the particle to move along a circle.

Answered by Abhisek | 1 year ago

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