A point mass \( m \) is moved in a vertical circle of radius \( r \) with the help of a string. The velocity of the mass…
Q1
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 \( \sqrt{7 \mathrm{gr}} \) at the lowest point. The tension in the string at the lowest point is
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