A Force `F` acting on an object varies with distance `x` as shown in the here . The force is in newton and `x` in metre. The work done by the force in moving the object from `x = 0` to `x = 6m` is

Options

A. 4.5 J
B. 13.5 J
C. 9.0 J
D. 18.0 J

Answer

B