Advertisements
Advertisements
प्रश्न
A body experiences the same buoyant force while floating in water or alcohol.
पर्याय
Ture
False
Advertisements
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
The density of brass is 8.4 g cm-3. What do you mean by this statement?
State whether pressure is a scalar or vector?
Explain the following statement:
It is easier to cut with a sharp knife than with a blunt one.
Complete the following sentence :
Pressure at a depth h in a liquid of density p is ......................
A block of iron of mass 7.5 kg and of dimensions 12 cm × 8 cm × 10 cm is kept on a table top on its base of side 12 cm × 8 cm.
Calculate:
- Thrust and
- Pressure exerted on the table top
Take 1 kgf = 10 N.
In what direction and at what point does the buoyant force on a body due to a liquid act?
Will a body weigh more in air or vacuum when weighed with a spring balance? Give a reason for your answer.
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
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.
Is thrust a scalar or vector quantity?
