PLEAE CREATE A SPREAD SHEET THAT SOLVES THIS PROBLEM FOR ANY VALUE OF $($W $)$ OR $($L$).$

The rectangular plate shown weighs $Wlb$ and is held in the position shown by hinges at A and $B$ and by

cable $EF.$ Assuming that the hinge at $B$ does not exert any load in $x,$ determine $(a)$ the tension in the cable,

$($b$)$ the reactions at A and $B.$