For a Floating Body, Its Weight W and Upthrust Fb on It Are Related as :

For a floating body, its weight W and upthrust F_B on it are related as :

MCQ

For a floating body, its weight W and upthrust F_B on it are related as : W= F_B

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Principle of Floatation (Laws of Flotation)

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Chapter 5: Upthrust in Fluids, Archimedes’ Principle and Floatation - Exercise 5 (C) [Page 124]

Chapter 5 Upthrust in Fluids, Archimedes’ Principle and Floatation
Exercise 5 (C) | Q 1 | Page 124

A body of volume V and density ρ_s, floats with volume v inside a liquid of density ρ_L. Show that `"v"/V = ρ_s/ρ_L` .

Explain the following :

Icebergs floating in sea are dangerous for ships.

A body of weight W is floating in a liquid. Its apparent weight will be

Name an instrument based on this principle. State two uses of the instrument that you describe.

State the principle of floatation. What can you say about the average density of a ship floating on water?

State the laws of flotation.

If you put one ice cube in a glass of water and another in a glass of alcohol, what would you observe? Explain your observations.

Where do we use lactometers?

Name different types of Hydrometers with their applications.