Determine the maximum tension that can be developed in cable AD

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If the tension developed in either cable AB or AC
can not exceed 1000 lb, determine the maximum tension
that can be developed in cable AD when it is tightened by
the turnbuckle. Also, what is the force developed along the
antenna tower at point A?

[@BismakaPinggala]

THANKS

[@therichard5668]

You're a god!!

[@RubelHossain-math]

FINE

[@nuggetman98]

i love you

[@gremnytheloser07]

Wt... this was may exam problem last month 😭

[@coledavis3872]

How come Uae is not 30k or -30k why is is Uea?

[@coledavis3872]

figured it out lol 0i/sqrt(30^2) + 0j/sqrt(30^2) + 30k/sqrt(30^2) gives 30/30k so 1k