A particle performing vertical circular notion is given a speed √9gl at the lowest point Find Speed at the top point, speed when the string becomes horizontal
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Not understanding your Q yaar.
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Answer:
Tension at any point in vertical motion is given by :
T=
l
mv
2
+mgcosθ
where θ= angular displacement from lowest point ,
l= length of string
m= mass of string
It is clear that tension at the lowest point (B) is greatest than at other points (A,C,D). If we increase average velocity, tension will increase at lowest point, therefore at point B, string has maximum possibility of break.
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