Because they are not solid shapes... they are shaped so as to be lighter than water when you look at their overall volume.
It's like a child's balloon. Uninflated, it lies on the ground and doesn't move. But fill it with air and it floats in the air. Suddenly there is less density than there was.
Ships also have masses of air between the steel. You need to take the average density of the entire ship, not just of the steel.
Because the boat is hollow, allowing it to displace enough water to equal it's own mass
Stainless steel is heavier then aluminium.
Many things can float in water. An object will float based on 2 main factors. They are density and shape. If an object is too dense, it will sink. But why would shape matter? The shape of the object affects how the water is displaced. If the weight of the water displaced is more than the weight of the object that is touching the water, the object will float. So the shape affects how much water is displaced therefore determines if an object will float.
Not as long as it's still in the shape of a block. But if you re-shape it into the shape of a cup ... whether round or rectangular ... it will float, because it displaces much more water than a block does. If your cup-shape is done artistically and with care, people may call it what it looks like ... a little "boat" or "ship". Those objects are usually made out of re-shaped blocks of steel.
Steel
Because steel remains magnetised
A material needs a lower density than water to float in water. Ships float in water because their average density is lower than water. The average density includes the steel hull and the air inside the hull.
The answer depends on the shape of the object. Ships, made from steel, which is denser than water, do float!
The answer depends on the shape of the object. Ships, made from steel, which is denser than water, do float!
The answer depends on the shape of the object. Ships, made from steel, which is denser than water, do float!
archemedes
caz it has less dens
No. It may be denser than the ocean, but nowhere near dense enough.
What matters when you consider the ability of something to float is the mass of water it can displace. This needs to be greater than the mass of the ship. A steel ship is not steel all the way through, a lot of the inside is air, so the effective density is much smaller than if it were all steel.
Ancient ships were made from wood with nails and iron fittings. Modern ships are steel.
A fork can float if it is made of the right material. A fork that is made from stainless steel will not float in water, but a fork made of plastic will.
small water displacment compared to ships size
small water displacment compared to ships size