Suppose we have a cylindrical container 0.3 meters in diameter made of low-weight plastic and place it in a large tub of water like a swimming pool or quiet lake. It floats readily. Now add some sand to it and it will sink down. How far down will it sink into the water if you add 6.0 kg of matter to it. Hint: The bouyant force is the weight of the water displaced. In equilibrium, the weight of the contents is supported by the bouyant force. When you do the calculation with SI units, the density of water is 1000 kg/m3, and the weight is the force of gravity on this water in newtons. Enter only the number for the depth to which the buck sinks in meters, but do not give the units. You may be surprised how little it sinks for a few kg of load