A Particle Moves 5 M in the Positive X Direction

Multiple Choice

A particle moves 5 m in the positive x direction while being acted upon by a constant force = (4 N) + (2 N) - (4 N) .The work done on the particle by this force is:

A) 20 J
B) 10 J
C) -20 J
D) 30 J
E) is impossible to calculate without knowing other forces