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प्रश्न
Complete the following sentence :
Pressure at a depth h in a liquid of density p is ......................
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उत्तर
h ρ g
संबंधित प्रश्न
What is upthrust ?
A body floats in a liquid when its weight becomes equal to the weight of the liquid displaced by its submerged part.
When a boat is partially immersed in water, it displaces 600 kg of water. How much is the buoyant force acting on the boat in newtons ? (g = 10 m s-2)
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 piece of wood if left under water comes to the surface. Explain the reason.
How is the upthrust related to the volume of the body submerged in a liquid?
A metal solid cylinder tied to a thread is hanging from the hook of a spring balance. The cylinder is gradually immersed into the water contained in a jar. What changes do you expect in the readings of the spring balance? Explain your answer.
State whether true or false. If false, correct the statement.
The weight of fluid displaced determines the buoyant force on an object.
Most buoyant objects are those with relatively ______.
- high volume
- higher mass
- low density
- less viscosity
If the buoyant force is less, the object will float.
