Question:

A mass is performing vertical circular motion (see figure). The average velocity of the particle is increased, then at which point the string will break :

Updated On: Jun 9, 2024
  • A
  • B
  • C
  • D
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The Correct Option is B

Solution and Explanation

When a sphere is rotating in a vertical circle,
it exerts the maximum outward pull when it is at the lowest point B.
Therefore, tension at B is maximum = Weight $+\frac{mv^2}{R}$
So, the string breaks at point B.
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