Archimedes’ Principle
It states, when a body is immersed fully or partially in a fluid, it experiences a upward force that is equal to the weight of the fluid displaced by it.
Applications of Archimedes’ Principle :
(i) It is used in determining relative density of substances.
(ii) It is used in designing ships and submarines.
(iii) Hydrometers and lactometers are made on this principle.
It is because of this ship made of iron and steel floats in water whereas a small piece of iron sinks in it.
