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:

1 T2 T-mv2l3 T+mv2l4 0

Subtopic:  Uniform Circular Motion |
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NEET 2023 - Target Batch - Aryan Raj Singh
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A stone of mass 0.25 kg tied to the end of a string is whirled around in a circle of radius 1.5 m with a speed of 40 rev/min in a horizontal plane. The tension in the string is:

(1) 5.6 N

(2) 6.6 N

(3) 3.4 N

(4) 4.2 N

Subtopic:  Uniform Circular Motion |
To view explanation, please take trial in the course below.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology