During a laboratory demonstration, the increase in gravitational potential energy of a toy elevator's load was 4.5 J.
The total mass of the load lifted was 250 g.
Calculate the vertical height the load was raised through.
Use g=10 N/kgg = 10\text{ N/kg}g=10 N/kg.
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.