Statement-I: A ball tied by thread is undergoing circular motion (of radius R) in a vertical plane. (Thread always remains in vertical plane). The difference of maximum and minimum tension in thread is independent of speed (u) of ball. At the lowest position horizontal velocity is 
Statement-II: For a ball of mass m tied by thread undergoing vertical circular motion (of radius R), difference in maximum and minimum kinetic energy of the ball is independent of speed (u) given to the ball at the lowest position 
.
Text Solution
Verified by ExpertsA
Let the minimum and maximum tensions be 
and 
and the minimum and maximum speed be u and v.
From conservation of energy
⇒ is independent of u.
and 
.
Statement-II is correct explanation of statement-1.
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