Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · Circular MotionMedium · 45s
A stone tied to a string revolves in a vertical circle. Where is the minimum tension?
TopicCircular Motion
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
At the top, the weight helps provide centripetal force, so tension is minimum.
Final Answer: Option A — At the topmost point