An Auto Weighing 3000 Newtons Has a Forward Drive Force

Multiple Choice

An auto weighing 3000 newtons has a forward drive force of 1000 newtons. Air resistance on the car is 100 newtons, and road resistance is 100 newtons. The auto moves along a straight level road. The net force on this auto is

A) 1000 newtons forward.
B) 1200 newtons forward.
C) 800 newtons backward.
D) 800 newtons forward.
E) 200 newtons backward.