Question : A heavy mass is attached to a thin wire and is whirled in a vertical circle. The wire is most likely to break
(A) When the mass is at the highest point of the circle
(B) When the mass is the lowest point of the circle
(C) When the wire is horizontal
(D) At an angle of \cos ^{-1} (1/3) from the upward
vertical
Answer : option (B)
Solution :
