A deep-sea salvage crane lifts a heavy cargo container vertically from the seabed to the deck of a research ship.
Explain whether the crane does more work against gravity if it lifts the container rapidly using a high-power setting compared to lifting it slowly.
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.