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प्रश्न
For a floating body, how is its weight related to the buoyant force?
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उत्तर
When a body floats in a liquid. The weight of the liquid displaced by its immersed part is equal to the total weight of the body.
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संबंधित प्रश्न
Fill in the blank with suitable word :
It is the................. force which makes objects appear lighter in water.
A body sinks in a liquid A but floats in a liquid B. The density of liquid A is ....... than the density of liquid B.
What is the cause of buoyant force ?
A boy get into a floating boat.
What happens to the buoyant force on the boat ?
Complete the following sentence :
Pressure at a point inside the liquid is ...................... To its depth.
A beaker contains a liquid of density ‘ρ’ up to height ‘h’ such that ‘PA’ is atmospheric pressure and ‘g’ is the acceleration due to gravity. Answer the following questions:
- What is the pressure on the free surface of the liquid?
- What is the pressure on the base of the beaker?
- What is the lateral pressure at the base on the inner walls of the beaker?
What is meant by up thrust?
Is thrust a scalar or vector quantity?
In a fluid, buoyant force exists because the pressure at the ______ of an object is greater than the pressure at the top.
Assertion (A): The buoyant force on a submerged rigid object can be considered to be acting at the center of mass of the object.
Reason (R): In rigid body, force distributed uniformly through its volume can be considered to be acting at the centre of mass of the body.
