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Q.

A uniform ladder of length 5 m is placed against the wall as shown in the figure. If coefficient of friction $μ$ is the same for both the walls .what is the minimum value of $3 μ$ for it not to slip

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Detailed Solution

$\tan θ = \frac{1 - μ^{2}}{2 μ} = \frac{1}{3}$

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