A car is driving on a level highway. It is acted upon by the following forces: a downward gravitational force of 12 kN, an upward contact force due to the road of 12 kN, another contact force due to the road of 7 kN directed West, and a drag force due to air resistance of 5 kN directed East. What is the net force acting on the car?
A. 7 kN East
B. 24 kN up
C. 2 kN West
D. 5 kN East
E. 2 kN East
C. 2 kN West
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