1. What is air resistance ?
2. What are the forces acting on a skydiver?
3. Air resistance is an example of _______ friction.
4. When we drop a nail and a feather from the same height, why do they reach the ground at different times?
5. Why do skydivers use parachutes?
6. Air resistance ____________ (increases/decreases) when an object moves faster.
7. What is terminal speed?