What is upthrust ?

What is the cause of upthrust? At which point it can be considered to act?

Define upthrust and how is the upthrust experienced by a body affected if its volume is doubled keeping its mass constant?

How is the upthrust related to the volume of the body submerged in a liquid?

For a body immersed in a liquid, when the weight of the body is less than the upthrust then the body will

For a body immersed in a liquid, when the weight of the body is less than the upthrust then the body will

Figure B shows two different objects in the same liquid. On which of these objects is the upthrust more and why?

A solid of mass 100 g and density 2 g cm^(-3) is immersed in water. Calculate the upthrust acting on it ?

A body weighs 500 gf in air and 450 gf when wholly iminersed in water. Calculate the upthrust of the body.

Complete the following sentences: Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if…………………….