Below is the graph of the resistance in an electric circuit $\left(R\right)$ versus the current $\left(I\right)$ flowing through it for a constant voltage.

Describe the relationship between current and resistance.

Below is the graph of the resistance in an electric circuit $\left(R\right)$ versus the current $\left(I\right)$ flowing through it for a constant voltage.

Find the constant of proportionality using points from the graph.

Below is the graph of the resistance in an electric circuit $\left(R\right)$ versus the current $\left(I\right)$ flowing through it for a constant voltage.

Write down the function relating current $\left(I\right)$ and resistance $\left(R\right)$.

The graph models the number of hours$\left(y\right)$ it takes for aid workers $\left(x\right)$ to build a shelter for refugees.

From this graph, determine the rational function and hence explain how long it would take:

$1$ person to build the shelter.

The graph models the number of hours$\left(y\right)$ it takes for aid workers $\left(x\right)$ to build a shelter for refugees.

From this graph, determine the rational function and hence explain how long it would take:

$5$ people to build the shelter.

The graph models the number of hours$\left(y\right)$ it takes for aid workers $\left(x\right)$ to build a shelter for refugees.

From this graph, determine the rational function and hence explain how long it would take:

$10$ people to build the shelter.

Newton's second law of motion, $F=ma$, states the relationship between force, mass, and acceleration. Describe the proportional relationship between:

force and acceleration

Newton's second law of motion, $F=ma$, states the relationship between force, mass, and acceleration. Describe the proportional relationship between:

acceleration and mass

Newton's second law of motion, $F=ma$, states the relationship between force, mass, and acceleration. Describe the proportional relationship between: force and acceleration. Hence sketch graphs of: force versus acceleration for a fixed mass