What is buoyant apparatus?

Not sure what you are looking for. This is Archimede's principle though, A buoyant object experiences an upward force, and at the same time displaced the medium in which it is placed. Is that what...

A collection of instruments, machines, parts, or other equipment used for a particular purpose

"At Langley, the preferred rules for forming possessives are as follows (G.P.O. 1984; and Rowland 1962): • Form the possessive of a singular or plural noun not ending in s by adding 's. • Form...

Yes, since the density of air is less than the density of water, a buoyant object in air is buoyant in water. In any body of water that is exposed to the air, in fact, said object would escape the...

the equilibrium receptors in the semicircular canals and vestibule