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Standard XII

Physics

Oscillations

One end of a ...

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 with speed v, the net force on the particle directed towards the centre is
(where T is tension in the string)

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T - \frac{m v^{2}}{l}

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T + \frac{m v^{2}}{l}

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Solution

The correct option is A T
The net on force on the particle directed towards the centre is T.

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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 with speed v, the net force on the particle directed towards the centre is (where T is tension in the string)

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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 with speed v, the net force on the particle directed towards the centre is
(where T is tension in the string)

The correct option is A T
The net on force on the particle directed towards the centre is T.