For a 3 m long ladder leaning against a frictionless wall, the minimum value of the coefficient of static friction is mathematically given as
mu=0.2886
Generally, the equation for the Force is mathematically given as[tex]-\mu N_{1}+N_{2}=0[/tex]
Therefore
[tex]\mu=\frac{1}{2}tan\theta[/tex]
[tex]\mu=\frac{1}{2}tan30^{0}[/tex]
mu=0.2886
In conclusion, the minimum value of the coefficient of static friction
mu=0.2886
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