Drag
principle
A force that resists a body’s motion through a medium.
Where it is used
- Parachute — is used in. The canopy creates drag.
- Bulbous bow — is used in. It reduces wave resistance.
- Retractable landing gear — is used in. Retracting reduces drag.
- Wind tunnel — is used in. Measuring resistance.
- Golf ball — is used in. The dimples reduce drag.