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

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
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