Weight $W$ is supported by spring $OC,$ which is attached to two cables at $O.$ The un$-$stretched length of spring $OC$ is $1$ m $.$ The spring constant is equal to

K$.$

$a=6m,b=8m,c=6m,W=191N,K=772\frac{N}{m}$

Find the tension $T_A$ in cable $OA$

$3$ tries remaining. $1$ point$($s$)$ possible

Find the tension $T_B$ in cable $OB$

$3$ tries remaining. $1$ point$($s$)$ possible

Find the distance $d$ of the spring's lower end to the ceiling

$2$ tries remaining $1$ point$($s$)$ possible

Weight $W$ is supported by spring $OC,$ which is attached to two cables at $O.$ The un$-$stretched length of spring $OC$ is $1$ m $.$ The spring constant is equal to

K$.$