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प्रश्न
For a floating body, its weight W and upthrust FB on it are related as :
विकल्प
W > FB
W < FB
W = FB
Nothing can be said
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उत्तर
For a floating body, its weight W and upthrust FB on it are related as : W= FB
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संबंधित 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?
A block of wood is so loaded that it just floats in water at room temperature. What change will occur in the state of floatation, if
(a) Some salt is added to water, (b) Water is heated?
Give reasons.
An iron nail sinks in the water while an iron ship floats on water. Explain the reason.
Explain the following :
Icebergs floating in sea are dangerous for ships.
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 :
A block of wood of volume 25 cm3 floats in water with 20 cm3 of its volume immersed in water.
Calculate:
(1) density of wood
(2) the weight of block of wood.
Explain the following:
Icebergs floating in the sea are very dangerous for ships.
Why do petroleum-based products float on the surface of the water?
Describe the purpose, principle, and working of the Lactometer.
Assertion (A): Lactometer is used to check the purity of milk.
Reason (R): Lactometer measures the cream content of milk.
