A string of negligible thickness is wrapped several times around a cylinder kept on a…
Physics · JEE Main · NTA Exams — Rotational Motion
A string of negligible thickness is wrapped several times around a cylinder kept on a rough horizontal surface. A man standing at a distance from the cylinder holds one end of the string and pulls the cylinder towards him. There is no slipping anywhere. The ratio of length of the string passed through the hand of the man to the distance moved by centre of mass of cylinder is:
\[\sigma \&\]
\[\sigma \&\]
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Answer
(B) 2
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