A) Battleships float on top of the ocean due to their shape, buoyancy, and the principle of displacement. Their design allows them to displace a large amount of water, which creates an upward force known as buoyancy. This force counteracts the weight of the battleship, allowing it to float.
B) If a pink (assuming you mean an object) sinks to the bottom of a fountain, it's likely because the pink object is denser than water. Objects denser than the liquid they are placed in will sink.
Relative density difference can be described as follows:
- A battleship is less dense than water, which is why it can float. It displaces a lot of water, creating enough buoyancy to counteract its weight.
- A penny is denser than water, so it will sink if placed in water. Its weight overcomes the upward buoyant force.
- Water itself has a density of 1 g/cm³. Since both the battleship and penny have different densities, they will either float or sink based on the principle of buoyancy and relative density.