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What Is The Law Of Floatation?

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Sudipa Sarkar Profile
Sudipa Sarkar answered
The law of floatation explains that, "A floating body displaces its own weight of the fluid in which it floats".

When a block of wood is placed in water it sinks until the weight of water displaced is just equal to its own weight. When this happens the block floats. Archimedes's principle and law of floatation can explain several phenomenons.

An iron nail sinks in water whereas a ship made up of iron and steel floats. This is due to the fact that a ship is hollow and contains air and therefore, its density is less than that of water.

A ship sinks in water to a level such that the weight of the displaced water equals its own weight. Since the density of the sea water is more than that of river water, a ship sinks less in sea water. It is for this reason that a ship rises a little when it enters a sea from a river.

It is because of the higher density of sea water that it is easier to swim in the sea.
Anonymous Profile
Anonymous answered
Law of floatation states that when a body is fully or partially immersed in a fluid , its weight is equal to the weight of fluid displaced
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Anonymous answered
Law of floatation states that to float a object on a liquid it should displace the water equal to its weight . Hydrometer is the instrument which is based on this principal .it is used to measure density of liquid .
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Anonymous answered
A floating body displaces it own weight of liquid in which it floats or when a body is fully or partially immersed in water it weigt is equal to the wiegt of water displaced
ANKIT SHRIVASTAVA Profile
Actually,law of floatation has got several meanings, i.e.whether floatation is in air or water.  In water it is just the archimedes principle viz."IF THE VOLUME DISPLACED BY A BODY IN WATER IS EQUAL TO THE VOLUME INSIDE THE WATER THEN THAT BODY IS SUPPOSED TO FLOAT IN WATER"
Anonymous Profile
Anonymous answered
Principle of Floatation states that whenever an object is placed on the surface of water  1  It will float on the surface if its density is less than water i.e. 1gm/cm3.  2 The object will float just fully immersed if its density is equal to or slightly greater than the that of water.  3 The object will sink if its density is greater than water i.e. 1gm/cm3
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Anonymous answered
It states that the body sinks in liquid until its weight is just equal to the liquid displaced by it.

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