Archimedes principle and law of flotation questions | form one Physics

(i) State Archimedes’ Principle.
(ii) Briefly explain why does a ship sink deeper in fresh water than in sea water?

Answer / Solution

UNSOLVED

When a piece of wood is put in a graduated cylinder containing water, the level of the water rises from 17.7 cm³ to 18.5 cm³ . Calculate the
(i) Mass of a piece of wood.
(ii) Total volume of a piece of wood given that its relative density is 0.60.

Answer / Solution

UNSOLVED

A piece of cork of volume 100 cm​^3​ is floating on the surface of water. If the density of the cork is 0.25 g cm​^-3​ , what volume of the cork is immersed in the water?

1. 100 cm³
2. 100.25 cm​³
3. 0.25 cm​³
4. 0.025 cm³
5. 25 cm​³

Answer / Solution

5. 25 cm​³

What are the two factors that determine Buoyancy?

1. Volume of fluid displaced and mass of the object.
2. Weight and mass of the object.
3. Density of the fluid and weight of the object.
4. Volume of the fluid displaced and density of the fluid.
5. Mass of the object and density of the object.

Answer / Solution

1. Volume of fluid displaced and mass of the object.