A load of weight 320 N is raised vertically at constant speed. A motor does 960 J of work, of which 160 J is transferred to thermal stores. What vertical distance does the load rise?
2.5 m2.5\ \mathrm{m}2.5 m
0.50 m0.50\ \mathrm{m}0.50 m
3.5 m3.5\ \mathrm{m}3.5 m
3.0 m3.0\ \mathrm{m}3.0 m
115 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.