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प्रश्न
A body X sinks in water, but a body Y floats on water. The density of the body X is ......... than the density of body Y.
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उत्तर
A body X sinks in water, but a body Y floats on water. The density of the body X is more than the density of body Y.
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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.
What is the unit of relative density?
What physical quantity is measured in bar?
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.
A body of mass 3.5 kg displaces 1000 cm3 of water when fully immersed inside it. Calculate:
- the volume of body,
- the upthrust on body and
- the apparent weight of body in water.
Calculate the hydrostatic pressure exerted by water at the bottom of a beaker. Take the depth of water as 40 cm, the density of water 1000 kgm−3 and g = 9.8 ms−2.
Is pressure a vector quantity?
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.
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : _____.
