Describe the energy transfers that take place when an industrial lift's emergency safety clamps grip the vertical steel guide rails to slow down and stop a descending lift car.
57 exam-style questions on Edexcel GCSE Physics 8.1 Energy transfers and work, covering 8.1.1 Energy stores and transfer diagrams, 8.1.2 Ways of changing a system's energy, and 8.1.3 Work done by forces. Each one has a worked solution and a mark scheme showing where the marks go.