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A body dipped into a liquid experiences an upthrust. State two factors on which upthrust on the body depends.
A bunch of feathers and a stone of the same mass are released simultaneously in air. Which will fall faster and why? How will your observation be different if they are released simultaneously in vacuum?
A piece of brass weighs 175 gf in air and 150 gf when fully submerged in water. The density of water is 1.0 g cm-3.
(i) What is the volume of the brass piece? (ii) Why does the brass piece weigh less in water?
A body weighs W gf in air and W1 gf when it is completely immersed in water. Find: (i) Volume of the body, (ii) Upthrust on the body and (iii) Relative density of the material of the body.
Explain the following :
As a ship in harbour is being unloaded, it slowly rises higher in water.
Explain the following :
A ship submerges more as it sails from sea water to river water.
A wooden cube of side 10 cm has mass 700 g. What part of it remains above the water surface while floating vertically on water surface?
Select the correct option:
With the increase in the density of the fluid, the upthrust experienced by a body immersed in it:
Complete the following result:
Mass = _______ × density
