A camera unit of mass 3.0 kg is raised on a vertical lift from a platform 2.4 m above the ground to another platform 7.9 m above the ground. Use g=10 N/kgg=10\ \mathrm{N/kg}g=10 N/kg.
Calculate the increase in gravitational potential energy of the camera unit.
121 exam-style questions on Edexcel GCSE Physics 3.1 Energy stores and calculations, covering 3.1.1 Gravitational potential energy, 3.1.2 Kinetic energy, and 3.1.3 Energy transfers and conservation of energy. Each one has a worked solution and a mark scheme showing where the marks go.