A student cleans an acrylic paperweight by rubbing it with a dry polyester cloth. The acrylic paperweight becomes negatively charged and the polyester cloth becomes positively charged.
Which statement explains why the acrylic paperweight became negatively charged?
gained electrons
gained protons
lost electrons
lost protons
47 exam-style questions on Edexcel GCSE Physics 11.1 Charging by friction. Each one has a worked solution and a mark scheme showing where the marks go.