Question

what is density ? what is upthrust?

Answer 1

Density is the ratio of the mass of body and its volume.Upthrust or buoyant force is the force exerted by the water to body which is submerged in the water.

Answer 2

Hy,

The degree of compactness of a substance. or the quantity of people or things in a given area or space is called Density.

The upward force that a liquid or gas exerts on a body floating in it ,is called up thrust