In the pulley arrangement shown, the pulley P2 is movable. Assuming coefficient of friction between m and surface to be µ, the minimum value of M for which m is at rest is

Engineering

Physics

Friction

Question

In the pulley arrangement shown, the pulley P₂ is movable. Assuming coefficient of friction between m and surface to be µ, the minimum value of M for which m is at rest is

$m = \frac{1}{2} μM$

$m = \frac{M}{2 μ}$

$M = \frac{1}{2} μm$

$M = \frac{m}{2 μ}$

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