Consider the bracket shown in $($Figure $1).$ The bracket can move freely along the pole until a force $P$ is placed on it Suppose that $h=8\mathrm{.}5$ in$.$

Part A

If the coefficient of static friction at A and $B$ is ${}_z=0\mathrm{.}6,$ determine the smallest distance $d$ at which the force can be applied so that the bracket does not slip. Neglect the weight of the bracket

Express your answer in inches to three significant figures.

$d=$ in$.$

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