A child pulls a sledge across flat snow using a horizontal rope.
The child pulls the sledge at a constant speed with a force of 75 N. The sledge moves 60 m. Calculate the work done by the child on the sledge.
The energy in the kinetic store of the sledge does not increase during this journey. Explain what happens to the energy transferred by the child.
Give the size of the frictional force acting on the sledge.
40 exam-style questions on AQA GCSE Physics 5.2 Work done and energy transfer, covering 5.2 Work done and energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.