Why does a boat made up of wood and ship doesn┬┤ t sink in the ocean ??
Answers
How do things float?
It can be defined by Law of Buoyancy or Archimedes’ Principle which state that “When a body is immersed completely or partially in a fluid, it experiences an upward force that is equal to the weight of the fluid displaced by the body.” Therefore anybody to float the upward force or buoyancy should always be equal to or more than the weight of the body. These three images will make your concept much clear.
Same is there with a ship, which is made of Iron very heavy weight, carrying a million tonnes of cargo.
Why ship floats?
Obviously, ship displaces water whose weight is equal to its own weight. Therefore it floats. And here we got one more definition of Displacement of a ship. Displacement: This is the equivalent mass of water displaced by the hull. It is therefore equal to the total weight of the vessel.
Hope this helps you!!
All boats can float, but floating is more complex and confusing than it sounds and it's best discussed through a scientific concept called buoyancy, which is the force that causes floating. Any object will either float or sink in water depending on its density (how much a certain volume of it weighs). If it's more dense than water, it will usually sink; if it's less dense, it will float. It doesn't matter how big or small the object is: a gold ring will sink in water, while a piece of plastic as big as a football field will float. The basic rule is that an object will sink if it weighs more than exactly the same volume of water. But that doesn't really explain why an aircraft carrier (made from dense metal) can float, so let's explore a bit further.