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प्रश्न
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
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उत्तर
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if Both have equal volumes .
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संबंधित प्रश्न
Why does a block of wood held under water rise to the surface when released ?
A body experiences the same buoyant force while floating in water or alcohol.
A body floats in a liquid when its weight becomes equal to the weight of the liquid displaced by its submerged part.
Why do we feel light on our feet when standing in a swimming pool with water up to our armpits ?
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Answer the following:
Will a piece of iron float or sink in mercury?
What is meant by the term buoyancy?
A body weighs 450 gf in air and 310 gf when completely immersed in water. Find
(i) The volume of the body,
(ii) The loss in weight of the body, and
(iii) The upthrust on the body.
State the assumption made in part (i).
How is thrust different from pressure?
The upward force that is caused due to the pressure difference in liquid (or fluid) is called ______.
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.
