Why does a sharp knife cut objects more effectively than a blunt knife?

Why snow shoes stop you from sinking into snow?

What is the relation between pressure, force and area?

Name the quantity whose one of the unit is Pascal $\left(\mathrm{Pa}\right)$.

Define buoyant force.

Define relative density.

A force of $100 \mathrm{N}$ is applied to an object of area $2 {\mathrm{m}}^2$. Calculate the pressure.