Direct and Inverse Proportion

88%

The force, $F$ , between two magnets is inversely proportional to the square of the distance, $x\,$ cm, between them.

$F\,$ is given by the formula: $F=36x2\displaystyle F = \frac{36}{x^2}$

Find the Force when two magnets are 3 cm apart.

[2]

88%

The force, $F$ , between two magnets is inversely proportional to the square of the distance, $x\,$ cm, between them.

$F\,$ is given by the formula: $F=36x2\displaystyle F = \frac{36}{x^2}$

Find the Force when two magnets are 3 cm apart.

[2]

Direct and Inverse Proportion Questions