Advertisements
Advertisements
प्रश्न
What is the cause of buoyant force ?
उत्तर
Buoyant force is exerted by the pressure difference in the surrounding medium caused by gravity.
APPEARS IN
संबंधित प्रश्न
What is the other name of buoyant force ?
Fill in the blank with suitable word :
It is the................. force which makes objects appear lighter in water.
Describe an experiment to determine the density of the material of a coin.
What is the cause of upthrust? At which point can it be considered to act?
Will a body weigh more in air or vacuum when weighed with a spring balance? Give a reason for your answer.
The mass of a block made of certain material is 13.5 kg and its volume is 15 × 10-3 m3.
(a) Calculate upthrust on the block if it is held fully immersed in water.
(b) Will the block float or sink in water when released? Give a reason for your answer.
(c) What will be the upthrust on block while floating?
Take density of water = 1000 kg m-3.
Select the correct option.
Thrust acting perpendicularly on the unit surface area is called
What do you mean by buoyancy?
How is thrust different from pressure?
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : ______