question_answer

A heavy mass is attached to a thin wire and is whirled in a vertical circle. The wire is most likely to break [MP PET 1997]

A)             When the mass is at the highest point of the circle

B)             When the mass is at 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