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Archimedes Principle – Pressure and Thrust from Gravitation (Chapter 9): CBSE Class 9 Science
Buoyancy, Buoyant force, displace liquid, and Archimedes principle, etc topics are covered in this video.
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Let’s start with
Buoyancy:
Buoyancy is the force exerted on the object that is wholly or partly immersed in a fluid.
When an object is placed in a fluid, the fluid exerts an upward force we call the buoyant force.
Buoyant force:
The buoyant force comes from the pressure exerted on the object by the fluid.
Because the pressure increases as the depth increase, the pressure on the bottom of an object is always larger than the force on the top – hence the net upward force.
Archimedes Principle:
Archimedes Principle states that the buoyant force applied by the liquid on a partially or fully submerged object is equal to the weight of the displaced liquid.
To understand the Archimedes principle in easier, we solved some examples for the same.
All the above-mentioned topics are described in an interactive and efficient manner so that the students could easily understand them.
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