A heavy mass is attached to a thin wire and is whirled in a vertical circle. The wire is most likely to break

Options

A. when the mass is at the most likely to break
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 verticle

Answer

B

Explanation

At the lowest point, tension in the string is maximum.