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Question
A stone is executing vertical circular motion with the help of a string as shown below.
The string will have least tension at point
A stone is executing vertical circular motion with the help of a string as shown below.
The string will have least tension at point
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Solution
The correct option is C C
The tension at A will be maximum as mg is acting opposite to tension and it has to exert that much extra cenripetal force to keep the stone in the circle. And tension is least at C where part of the centripetal force is compensated by mg. This is depicted in the following diagram.
The tension at A will be maximum as mg is acting opposite to tension and it has to exert that much extra cenripetal force to keep the stone in the circle. And tension is least at C where part of the centripetal force is compensated by mg. This is depicted in the following diagram.
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