The resultant of two forces acting an anlge of `120^(@)` is 10 kg wt and is perpendicular to one of the forces. That force is

Options

A. `10sqrt(3)"kg wt"`
B. `20sqrt(3)"kg wt"`
C. `20"kg wt"`
D. `(20sqrt(3))"kg wt"`

Answer

C

Explanation

`tan 30^(@) = (1)/(sqrt(3))=(10)/(x)`