Advertisements
Advertisements
प्रश्न
Select the correct option:
When an object sinks in a liquid, its:
विकल्प
buoyant force is more than the weight of object
buoyant force is less than the weight of an object
buoyant force is equal to the weight of the object
none of the above
उत्तर
buoyant force is less than the weight of object
APPEARS IN
संबंधित प्रश्न
The buoyant force experienced by a body when floating in saltwater is ....... to or same that of when floating in pure water.
The weight of a body floating in a liquid is ........
Complete the following sentence :
Pressure at a point inside the liquid is ...................... To its depth.
Two cylindrical vessels fitted with pistons A and B of area of cross-section 8 cm2 and 320 cm2 respectively are joined at their bottom by a tube and they are completely filled with water. When a mass of 4 kg is placed on piston A, Find:
- the pressure on piston A,
- the pressure on piston B, and
- the thrust on piston B.
A piece of wood if left under water comes to the surface. Explain the reason.
Figure shows the same block of wood floating in three different liquids A, B and C of densities ρ1, ρ2 and ρ3 respectively. Which of the liquid has the highest density? Give a reason for your answer.
What is the centre of buoyancy? State its position for a floating body with respect to the centre of gravity of the body.
Higher Order Thinking Skill.
How does a fish manage to rise up and move down in water?
The center of gravity of the floating body and the center of buoyance are in the same ______ line.
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : ______
