The GATE Grind

GATE 2025 CH – Question 18

Fluid Mechanics and Mechanical Operations · Turbulent flow, boundary layer and flow past immersed bodies · 1 mark · Multiple choice

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

  1. Drag
  2. Friction
  3. Lift
  4. Buoyancy

Practise this question in The GATE Grind →

Show answer and explanation

Correct answer: (C) Lift

Explanation

The component of the total fluid force on a body along the flow direction is the drag, and the component perpendicular to the flow is the lift.