Advertisements
Advertisements
Question
For a floating body, how is its weight related to the buoyant force?
Solution
When a body floats in a liquid. The weight of the liquid displaced by its immersed part is equal to the total weight of the body.
APPEARS IN
RELATED QUESTIONS
Define the term relative density of a substance.
Why do sea divers need special protective suit?
A piece of wood if left under water comes to the surface. Explain the reason.
A small block of wood is completely immersed in (i) water, (ii) glycerine and then released. In each case, What do you observe? Explain the difference in your observation in the two cases.
Prove that the loss in weight of a body when immersed wholly or partially in a liquid is equal to the buoyant force (or upthrust) and this loss is because of the difference in pressure exerted by liquid on the upper and lower surfaces of the submerged part of body.
A body will experience minimum upthrust when it is completely immersed in :
What is the centre of buoyancy? State its position for a floating body with respect to the centre of gravity of the body.
Pressure in a water pipe on the ground floor of a building is 100,000 Pa. Calculate the pressure in the water pipe on the first floor at a height of 3 m. [Density of water = 1000 kgm−3 ; g = 10 ms−2]
Is pressure a vector quantity?
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : ______
