Take your hand and draw it through water in a pool. You can feel resistance---this is hydrodynamic drag. It is the effective force created by the interaction of your body and the water. Swimmers push ...

When you put your hand out the window of a moving car, you feel a force pushing against you called drag. This force opposes a moving vehicle, and it's part of the reason why your car naturally slows ...

During the 2026 Winter Olympics, athletes will leap off ramps, slide across ice and spin through the air. These performances will look different to my students who have studied physics through sports.