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प्रश्न
What do you mean by buoyancy?
उत्तर
- The upward force exerted by a liquid on an object immersed in it is known as buoyancy.
- When you try to immerse an object in water, then you can feel an upward force exerted on the object, which increases as you push the object deeper into the water.
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संबंधित प्रश्न
What is the scientific name of the 'upward force' acting on an object immersed in a liquid?
An object of weight 200 N is floating in a liquid. What is the magnitude of buoyant force acting on it ?
Why does a block of wood held under water rise to the surface when released ?
The S.I. unit of density is ..........
The buoyant force experienced by a body when floating in saltwater is ....... to or same that of when floating in pure water.
The weight of a body is more than the buoyant force experienced by it, due to a liquid. The body will
State whether pressure is a scalar or vector?
The base of the cylindrical vessel measures 300 cm2. Water is poured into it up to a depth of 6 cm. Calculate the pressure of water on the base in the vessel.
The magnitude of buoyant force acting on an object immersed in a liquid depends on ______ of the liquid.
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.
