All Textbook Topics - Forces and Motion - Air resistance and aerodynamics - Air resistance only occurs when an object is moving
Air resistance only occurs when an object is moving
![](https://cdn.figureoutphysics.com/text/1577762244pSPCWok3ylifIgEt1svwnUqeuOaTJj.png)
As the car in the diagram above (Example 1) is not moving, it is not experiencing air resistance. It is experiencing the common forces on an object resting on a solid surface.
![](https://cdn.figureoutphysics.com/text/1577762435RxApvFqILtJ2jCnwcOlWV65EZTaz9e.png)
The car in Example 2 above is now moving forwards so it is experiencing air resistance acting backwards.
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