Physics · PYQ NEET UG 2017
हिन्दीOne 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)
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Correct answer · Option A
\( T \)
Explanation
The net force directed towards the centre provides the necessary centripetal force, which is purely supplied by the tension \( T \) in the string.