Rankers Physics
Topic: Circular Motion
Subtopic: Uniform Circular Motion

A stone of mass 1 kg tied to one end of a string 1.0 m long is revolved in a horizontal circle at the rate of 10/π revolution per second. Calculate the tension of the string ?
300 N
400 N
500 N
600 N

Solution:

Tension force in the string will provide required centripetal force

T = mω²r= 1× (10/π ×2π)²×1= 400 N

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