The sum of the components of the force due to pressure and shear at the solid-fluid boundary of a solid body in the direction normal to the flow is:
Show Hint
- Drag
- Friction
- Lift
- Buoyancy
The Correct Option is C
Solution and Explanation
Step 1: Understand the Forces.
The force due to pressure and shear in the direction normal to the flow primarily contributes to the lift, particularly in aerodynamic contexts.
Step 2: Definition of Lift.
Lift is the component of the aerodynamic force that is perpendicular to the flow direction. It contrasts with drag, which is parallel to the flow direction.
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