Advertisements
Advertisements
प्रश्न
What is meant by up thrust?
Advertisements
उत्तर
The upward force which any liquid exerts upon a body placed in it is called the upthrust.
APPEARS IN
संबंधित प्रश्न
What do you mean by buoyancy?
A body experiences the same buoyant force while floating in water or alcohol.
The density of a body which sinks in water is ......... than 1000 Kg m-3.
Define the term Density of a substance.
Distinguish between density and relative density.
(i) The diameter of neck and bottom of a bottle are 2 cm and 10 cm, respectively. The bottle is completely filled with oil. If the cork in the neck is pressed in with a force of 1.2 kgf, what force is exerted on the bottom of the bottle?
(ii) Name the law/principle you have used to find the force in part (a).
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.
Select the correct option.
The unit Nm2 is the unit of
Select the correct option:
When a body is wholly or partially immersed in a liquid, it experiences a buoyant force which is equal to:
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : ______
