Q. A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when :
A) the mass is at the highest point
B) the wire is horizontal
C) the mass is at the lowest point
D) inclined at an angle of 60° from vertical
Explanation
[Solution] Tension is maximum at the lowest point: $T = mg + \frac{mv^2}{r}$. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.