![]() ![]() This is what happened to the modified plane - it experienced a greater amount of drag, which pushed it back more than the original plane. ![]() You could probably feel this, as your hand would be more forcefully pushed back as the car moves forward. When your hand is held out vertically, it catches a greater amount of air and experiences a greater amount of drag than when your hand is horizontal. For example, this is what happens when you are in a moving car with your hand out the window and change your hand from being horizontal to being vertical. In this activity, you increased how much drag acted upon the paper plane by making a one inch-high vertical strip on both wings. The force of the air pushing your hand back as you move forward is drag, also sometimes called air resistance. To think about drag, imagine you are in a moving car and you put your hand out the window. How far does the paper plane fly now compared to before? Why do you think this is, and how does it have to do with drag?Īs a paper plane moves through the air, the air pushes against the plane, slowing it down. ![]()
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