A crane raises a steel beam vertically from the ground to the top of a building. The beam moves upwards at a constant speed throughout the lift. Which statement describes what happens to the energy stores of the beam during the lift?
Kinetic store stays the same; gravitational store stays the same
Kinetic store stays the same; gravitational store decreases
Kinetic store stays the same; gravitational store increases
Kinetic store increases; gravitational store stays the same
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.