Feynman Fan posted an MCQ
October 09, 2020 • 06:26 am 30 points
  • IIT JAM
  • Physics (PH)

Find minimum coefficient of friction between rope and fixed shaft

find minimum coefficient of friction between rope and fixed shaft

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  • Pritam dalal Best Answer

    actually in my first manipulation I approximated the frictional force that shouldn't be done! Here The relation I have used here is the exact relation friction, (T1>T2 always)! And lastly yes the correct answer is option a! For derivation refer to the second image! This is bit abstract concept that don't usually strike!

    cropped6919724420636240242.jpg
    cropped1054851361019396579.jpg
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