What special name is given to the frictional force exerted by a fluid?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Drag.
- The frictional force exerted by fluids (like air or water) is named drag.
- The force obstructing the flow of fluid is called fluid friction.
- In this situation, resistance is provided by the fluid between two surfaces.