A negatively charged plastic rod is held close to, but does not touch, a neutral aluminium vane mounted so that it can turn freely. The vane turns towards the rod.
Explain why the vane is attracted to the rod.
91 exam-style questions on Edexcel GCSE Physics 11.1 Charging by friction, covering 11.1.1 Charging insulators by friction, 11.1.2 Forces between charges, 11.1.3 Electrostatic phenomena, and 11.1.4 Earthing and removing charge. Each one has a worked solution and a mark scheme showing where the marks go.