Physics · 2020
NEET 2020 · 14 October · Code Z6 · Q124
A point mass ' m ' is moved in a vertical circle of radius ' r ' with the help of a string. The velocity of the mass is √(7 g r) at the lowest point.…
A point mass ' $\displaystyle m$ ' is moved in a vertical circle of radius ' $\displaystyle r$ ' with the help of a string. The velocity of the mass is $\displaystyle \sqrt{7 g r}$ at the lowest point. The tension in the string at the lowest point is
Official answer
(2)
$\displaystyle 8$ mg
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NEET (UG) 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.