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  4. A particle of mass m is performing vertical circular motion (see figure). If the average speed of the particle is increased, then at which point maximum breaking possibility of the string :- <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-lvz21exxi1r31jvs.jpg />

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Q. A particle of mass $m$ is performing vertical circular motion (see figure). If the average speed of the particle is increased, then at which point maximum breaking possibility of the string :- Question

NTA AbhyasNTA Abhyas 2022

Solution:

Solution
At position $B$ tension is maximum, so breaking possibility of string at this point is high.
$T=mg+\frac{mv^{2}}{r}$