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 force due to gravity acting on the auto is
A) 3000 newtons downward.
B) 3000 newtons upward.
C) zero.
D) 800 newtons upward.
E) 4200 newtons downward.
Correct Answer:
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