The net force acting on air that is blowing parallel to straight ...

[SO00]

The net force acting on air that is blowing parallel to straight contours at constant speed is ____.
 A) in the direction of wind motion
  B) to the right of the wind's motion in the Northern Hemisphere
  C) zero
  D) in a direction opposite the wind's motion

Question 2

The atmosphere around Earth would rush off into space if the upward-directed pressure gradient force were not exactly balanced by ____.
 A) the Coriolis force
  B) the horizontal pressure gradient force
  C) gravity
  D) the centripetal force

[braelync]

Answer to Question 1

C

Answer to Question 2

C