Rotational MotionHard
Question
A ball of mass (m) 0.5 kg is attached to the end of a string having length (L) 0.5 m. The ball is rotated on a horizontal circular path about vertical axis. The maximum tension that the string can bear is 324 N. The maximum possible value of angular velocity of ball (in radian/s) is
Options
A.9
B.18
C.27
D.36
Solution
324 = 0.5ω2 (0.5)
ω2 = 324 × 4
ω = 1296 = 36 rad / s
ω2 = 324 × 4
ω = 1296 = 36 rad / s
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