The $42-$lb rectangular access door is held in the $90$ open position by the single prop $CD.$ Determine the magnitude of the force $F$ in the

prop and the magnitude of the force normal to the hinge axis $AB$ in each of the small hinges A and $B.$

Assume $a=25$ in$.,b=44$ in$.,c=15$ in$.,d=43$ in$.$

Answers:

$F=$

lb

$A=$

i

lb

$B=$

is

lb