The force, FFF, between two magnets is inversely proportional to the square of the distance, x x\,x cm, between them.
F F\,F is given by the formula: F=36x2\displaystyle F = \frac{36}{x^2}F=x236
Find the Force when two magnets are 3 cm apart.
Practise Edexcel IGCSE Maths Direct and Inverse Proportion with exam-style questions for IGCSE Maths. 22 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.