Question

state a principle of floatation

Answer 1

When any boat displaces a weight of water equal to its own weight, it floats. This is often called the "principle of flotation": A floating object displaces a weight of fluid equal to its own weight. ... One common point of confusion regarding Archimedes' principle is the meaning of displaced volume.

Answer 2

if the density of object is less than the density of water ,then the object will float on the surface of water. and if the density of object is greater than the density of water,then the object will sink into the water. this is the very easy and simple way to understand the principle of floatation. or this is the principle of floatation.