Q. In a vertical circle of radius $r$, at what point in its path a particle has tension equal to zero if it is just able to complete the vertical circle
A) Highest point
B) Lowest point
C) Any point
D) At a point horizontally from the centre of circle of radius $r$
Explanation
The correct answer is Option A: Highest point.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.