Consider the frame in $($Figure $1).$ If the coefficient of static friction at $\backslash ($ A $\backslash )$ and $\backslash ($ B $\backslash )$ is $\backslash (\backslash$mu$\_\{\backslash$mathrm$\{$s$\}\}=0\mathrm{.}60\backslash ),$ determine the maximum angle $\backslash (\backslash$theta $\backslash )$ so that the frame remains in equilibrium, regardless of the mass of the cylinder. Neglect the mass of the rods.

Part A

Determine the maximum angle $\backslash (\backslash$theta $\backslash )$ so that the frame remains in equilibrium, regardless of the mass of the cylinder.

Express your answer to three significant figures and include the appropriate units.

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