Forces `F_(1) and F_(2)` act on a point mass in two mutually perpendicular directions. The resultant force on the point mass will be

Options

A. `F_(1)+F_(2)`
B. `F_(1)-F_(2)`
C. `sqrt(F_(1)^(2)+F_(2)^(2))`
D. `F_(1)^(2)+F_(2)^(2)`

Answer

C

Explanation

`F=sqrt(F_(1)^(2)+F_(2)^(2)+2F_(1)F_(2)cos 90^(@))= sqrt(F_(1)^(2)+F_(2)^(2))`