Chapter $6$

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Problem: $($of $30)$

Do not round intermediate answers. Give your final answer$($s$)$ to three decimal places. Check your units.

The $15-m$ slender beam has a mass of $75$ kg and is released from rest in the horizontal position with $=0.$ If the coefficient of static friction between the fixed support at $O$ and the beam is $0\mathrm{.}6,$ determine the angle $$ at which slipping first occurs at $O.$ Does the result depend on the mass of the beam?

$=$

$$