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JEE Main 2022 (25 Jun, Shift 1) · Two-Body Friction

Two-Body Friction question from JEE Main 2022 (25 Jun, Shift 1)

Q4JEE Main 2022 · 25 JUN · SHIFT 1Easy

Two-Body Friction

A uniform chain of 6 m length is placed on a table such that a part of its length is hanging over the edge of the table. The system is at rest. The co-efficient of static friction between the chain and the surface of the table is 0.5, the maximum length of the chain hanging from the table is ___________ m.

Numerical answer type. Work it out, then open the answer.

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Answer: 2

Maximum hanging length: $l = \frac{\mu}{1+\mu}L$
$l = \frac{0.5}{1.5} \times 6$
$l = 2$ m

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