A plastic cylinder of radius and height is held fully submerged in sea water of density

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

A plastic cylinder of radius

4\,\text{cm}

and height

30\,\text{cm}

is held fully submerged in sea water of density

1030\,\text{kg m}^{-3}

. Take

g = 10\,\text{m s}^{-2}

. Find the magnitude of the upthrust on the cylinder.