The ship has enough gas in it to keep it afloat.
A steel boat floats on water because of its shape and displacement of water, which creates buoyancy. The boat's hollow structure allows it to displace enough water to counteract its weight, making it float. In contrast, a solid steel block is too dense and heavy to displace enough water to float.
No, 7.81 g of steel will sink in water because steel is denser than water. Steel has a higher density than water, so it will not displace enough water to float.
Yes, silver would float in mercury because silver is less dense than mercury. This means that silver would displace an amount of mercury equal to its own weight, allowing it to float on top of the mercury.
Floating and sinking is related to density - if something is more dense (i.e. has more mass per volume) than the fluid it will sink, and if it is less dense then it will float. This is why wood floats in water, and helium balloons float in air - helium is less dense than air and wood is less dense than water. Steel ships float because, although they are made of steel which is more dense than water, the air inside them is less dense than water so the overall effect is floating.
Because the paperclip is not dense enough to break the surface tension of the water
Steel ships float on water because their shape is designed to displace enough water to create a buoyant force that is greater than the weight of the ship. This buoyant force allows the ship to float despite the steel being denser than water.
Apples float because the apple is less dense than water. Objects more dense than water sink because even when fully underwater they don't displace enough water to equal their weight.
Yes, a tissue will typically float in water because it is less dense than water. The air trapped inside the tissue fibers makes it buoyant enough to float on the surface of the water.
Assuming it's a regular steel anchor, an anchor, can't float in the dead sea. Dead Sea water is dense and buoyant for being water, but it's not THAT dense.
Indefinitely. Someting will float as long as its density is less than that of the fluid it is suspended in. So a baloon will float until the volume decreases to the point it is more dense than air or diffusion exchanges enough gas for the same to happen. Some wood will float in water until it absorbs enough water to no longer be less dense than water.
The density of an object will float in liquid water when it is less dense than water, meaning it weighs less per unit volume than water. This allows the object to displace enough water to generate an upward buoyant force greater than its weight, causing it to float on the surface of the water.
Actually, the steel needle can float on water as well, so long as the surface tension is not broken. Answering the question, the buoyancy (ratio of density to that of displaced water) causes the log to float.