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
(b) when the mass is at the lowest point

(c) when the wire is horizontal
(d) at an angle of cos ^{- 1}(1/3) from the upward vertical.

Answer 1

(b) when the mass is at the lowest point