Advertisements
Advertisements
Question
What do you mean by buoyancy?
Advertisements
Solution
- 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.
APPEARS IN
RELATED QUESTIONS
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
Relative density of a substance is expressed in g cm-3.
What is the cause of buoyant force ?
If a fresh egg is put into a beaker filled with water, it sinks. On dissolving a lot of salt in the water, the egg begins to rise and then floats. Why ?
Define the term Density of a substance.
The pressure P1 at the top of a dam and P2 at a depth h form the top inside water (density p) are related as :
What is meant by the term buoyancy?
How is the upthrust related to the volume of the body submerged in a liquid?
A balloon filled with helium gas floats in a big closed jar which is connected to an evacuating pump. What will be your observation, if air from the jar is pumped out? Explain your answer.
Pressure in a water pipe on the ground floor of a building is 100,000 Pa. Calculate the pressure in the water pipe on the first floor at a height of 3 m. [Density of water = 1000 kgm−3 ; g = 10 ms−2]
