Question : 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 center) is
(A) T
(B) T-\dfrac{mv^{2}}{l}
(C) T+\dfrac{mv^{2}}{l}
(D) zero
Answer : option (A)
Solution :
