$2\mathrm{.}44$ The rigid bar $AD$ is supported by two steel wires of $\frac{1}{16}-$in$.$

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diameter $(E=29{10}^6)$ and a pin and bracket at $A.$

Knowing that the wires were initially taut, determine $($a$)$ the additional tension in each wire when a $220-lb$ load $P$ is applied at $D,(b)$ the corresponding deflection of point $D.$

$($a$)P_{BE}=205lb$;$P_{CF}=228lb.$

$($b$)0\mathrm{.}0691in.$darr.