Question : An object of mass 5 kg is whirled round in a vertical circle of radius 2 m with a constant speed of 6 ms−1 . The maximum tension in the string is
(A) 152 N
(B) 139 N
(C) 121 N
(D) 103 N
Answer : option (B)
Solution :
An object of mass 5 kg is whirled round in a vertical circle of radius 2 m with a constant speed of 6 ms−1 . The maximum tension in the string is
with
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