$\text { In figure } O A B C \text { is a rhombus }$$\text { What is the value of } \mathrm{F}$

$\frac{10 \sqrt{10}}{\sqrt{3}} \mathrm{~N}$

$\frac{10 \sqrt{30}}{\sqrt{10}} \mathrm{~N}$

$\frac{10 \sqrt{10}}{\sqrt{30}} \mathrm{~N}$

$\frac{10 \sqrt{3}}{\sqrt{10}} \mathrm{~N}$