Which of the following statements are correct ?
1. Friction and pressure drag depend upon the shape and position of immersed body.
2. If a thin plate is kept parallel to the direction of flow, then the pressure drag is zero.
3. If a thin plate is kept perpendicular to the moving fluid, then friction drag is Zero.
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3