Advertisements
Advertisements
प्रश्न
Draw a diagram to show the forces acting on a body floating in water with its some part submerged. Name the forces and show their points of application. How is the weight of water displaced by the floating body related to the weight of the body itself?
उत्तर
The forces acting are as listed below:
(i) Weight of the body acting downwards.
(ii) Upthrust due to water acting upwards.
Weight of water displaced by the floating body = Weight of the body
APPEARS IN
संबंधित प्रश्न
A body is held immersed in a liquid. (i) Name the two forces acting on the body and draw a diagram to show these forces. (ii) State how the magnitudes of two forces mentioned in part (i) determine whether the body will float or sink in liquid when it is released. (iii) What is the net force on the body if it (a) sinks and (b) floats?
When a piece of wood is suspended from the hook of a spring balance, it reads 70 gf. The wood is now lowered into water. What reading do you expect on the scale of spring balance?
Explain the following :
Icebergs floating in sea are dangerous for ships.
For a floating body, its weight W and upthrust FB on it are related as :
A body floats in a liquid A of density ρ1 with a part of it submerged inside the liquid, while in liquid B of density ρ2 it is totally submerged inside the liquid. The densities ρ1 and ρ2 are related as :
What fraction of metal of density 3400 kgm-3 will be above the surface of mercury of density 13600 kgm-3, while floating in mercury?
Why does a ship make of iron not sink in water, while an iron nail sinks in it?
Why do petroleum-based products float on the surface of the water?
Hydrometer is based on the principle of ______.
Describe the purpose, principle, and working of the Lactometer.