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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
The S.I. unit of density is ..........
The density of aluminium is 2.7 g cm-3 and that of brass 8.4 g cm’3. The correct statement is
The density of brass is 8.4 g cm-3. What do you mean by this statement?
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?
Explain why an iron needle sinks in water, but a ship made of iron floats on water.
State whether thrust is a scalar or vector?
Complete the following sentence :
Pressure at all points at the same depth is ....................
A body experiences an upthrust F1 in river water and F2 in sea water when dipped up to the same level. Which is more, F1 or F2? Give reason.
State whether true or false. If false, correct the statement.
The weight of fluid displaced determines the buoyant force on an object.
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.
