Done by :
Gourisankaran Pillai
Grade IX
Archimedes was born in 287 BC at
Syracuse, Greece ,one of the most powerful
Greek city state. In Syracuse 212BC
Archimedes...
Archimedes’
Principle
Archimedes Principle states that
when a body is immersed partially
or fully in a fluid, it experienc...
BOUYANT FORCE or
UPTHRUST
WHEN A BODY IS
IMMERSED PARTIALLY OR
COMPLETELY INSIDE A
FLUID IT EXPERIENCES AN
UPWARD FORCE CA...
Buoyancy
The Buoyant force acting on an
object depends upon two
factors:

The volume of the body
immersed i.e. volume of the
fluid...
o

o

Take a Eureka can and fill it up to its spout. Take a
stone and suspend it with the hook of the spring
balance.Note ...
o

o

o

This w2 will be less than w1 due to upthrust
provided by water. Apparent loss in weight due to
upthrust will be (...





Used in designing ships and submarines
Used in making Lactometers, which are used to
determine the purity of a sam...
Archimedes' principle
Archimedes' principle
Archimedes' principle
Archimedes' principle
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Archimedes' principle

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Archimedes' principle

  1. 1. Done by : Gourisankaran Pillai Grade IX
  2. 2. Archimedes was born in 287 BC at Syracuse, Greece ,one of the most powerful Greek city state. In Syracuse 212BC Archimedes died, by being killed by a Roman soldier who didn’t know who he was. Archimedes had a father who’s name was Phidias. It is believed Phidias could have been related to Hieron the 2nd ,the king of Syracuse. It is not known if Phidias was married or had
  3. 3. Archimedes’ Principle Archimedes Principle states that when a body is immersed partially or fully in a fluid, it experiences an upward force that is equal to the weight of the fluid displaced by it.
  4. 4. BOUYANT FORCE or UPTHRUST WHEN A BODY IS IMMERSED PARTIALLY OR COMPLETELY INSIDE A FLUID IT EXPERIENCES AN UPWARD FORCE CALLED THE BUOYANT FORCE
  5. 5. Buoyancy
  6. 6. The Buoyant force acting on an object depends upon two factors: The volume of the body immersed i.e. volume of the fluid displaced , or density of the fluid
  7. 7. o o Take a Eureka can and fill it up to its spout. Take a stone and suspend it with the hook of the spring balance.Note the weight of stone in air.Let it be w1. Now immerse the stone inside water in the Eureka can. The water overflows through the can. Collect this overflowing water in the beaker. Now, also note the reading in the spring balance.Let it be w2.
  8. 8. o o o This w2 will be less than w1 due to upthrust provided by water. Apparent loss in weight due to upthrust will be (w1-w2). Measure the weight of water collected in the beaker , which in fact is the weight of water displaced by the stone . On comparing we will find that the loss in weight (w1-w2 ) is equal to the weight of the water displaced by the stone. Hence , The Archimedes' principle is verified.
  9. 9.    Used in designing ships and submarines Used in making Lactometers, which are used to determine the purity of a sample of milk Used in making Hydrometers , which are used for determining density of liquids
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