A car weighing 5000 N is traveling along a straight level road powered by a forward drive force of 500 N. The force of air resistance is 200 N, and rolling resistance is 100 N. The net force on the car is
A) 200 N forward.
B) zero.
C) 300 N backward.
D) 5000 N downward.
E) 500 N forward.
A
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