A particle (bob) of mass \( 1 \mathrm{~kg} \) is performing vertical circular motion. Then : \( ...

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A particle (bob) of mass \( 1 \mathrm{~kg} \) is performing vertical circular motion. Then :
\( P \)
W.
(1) Power delivered by tension at point (4) is negative.
(2) Power delivered by tension at point (2) is positive.
(3) Power delivered by gravitational force at point (3) is zero
(4) Power delivered by gravitational force at point (4) is negative.
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