Which of the following statements is correct about the location of centre of pressure?
1
Centre of pressure lies above the centre of gravity of the vertically immersed surface.
2
Centre of pressure may lie at any location irrespective of the centre of gravity of the vertically immersed surface.
3
Centre of pressure coincides with the centre of gravity of the vertically immersed surface.
4
Centre of pressure lies below the centre of gravity of the vertically immersed surface.