Laws Of Motion Question 360

Question: A uniform chain of length L changes partly from a table which is kept in equilibrium by friction. The maximum length that can withstand without slipping is l, then coefficient of friction between the table and the chain is [EAMCET (Engg.) 1995]

Options:

A)$ \frac{l}{L} $

B) $ \frac{l}{L+l} $

C) $ \frac{l}{L-l} $

D) $ \frac{L}{L+l} $

Show Answer

Answer:

Correct Answer: C

Solution:

$ \mu =\frac{\text{Lenght of chain hanging from the table}}{\text{Lenght of chain lying on the table}} $

$ =\frac{l}{L-l} $



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