A tension spring in a high-precision optical mount is stretched by a force of 1.12 N. The extension of the spring is 0.016 m.
Calculate the spring constant, kkk, of the spring and state the unit.
Use the equation:
23 exam-style questions on Edexcel GCSE Physics 15.1 Forces and springs. Each one has a worked solution and a mark scheme showing where the marks go.