Hooke's law describes how the extension of a spring relates to the load on the sprint.

Sketch an extension-load graph for a spring that obeys Hooke's law. Mark the part of the graph that shows that the spring obeys Hooke's law. Mark also the limit of proportionality.

Copy and complete the following sentence, by writing either increases / decrease  in each gap.

Pressure $\dots \dots \dots$ When the force acting increases.

Copy and complete the following sentence, by writing either increases in each gap.

Pressure $\dots \dots \dots$ when the force acts on a greater area.

Copy and complete the following sentence, by writing either increases or decreases in each gap.

Pressure $\dots \dots \dots$ when you go deeper in a liquid.

Copy and complete the following sentence, by writing either increases or decreases in each gap.

Pressure $\dots \dots \dots$ when you go deeper in a liquid.

Copy and complete the table to show the unit for each quantity.

The pressure in a fluid of density $\rho$ depends on the depth $h$. It also depends on the acceleration due to gravity $g$.

What is a fluid$?$