A trolley slows down as it moves along a rough horizontal track.
Which statement describes the main energy change?
The kinetic store decreases and thermal stores increase.
The kinetic store decreases and gravitational stores increase.
The thermal stores decrease and the kinetic store increases.
The gravitational stores decrease and the kinetic store increases.
100 exam-style questions on Edexcel GCSE Physics 3.2 Dissipation and efficiency, covering 3.2.1 Dissipation of energy, 3.2.2 Reducing unwanted energy transfers, 3.2.3 Efficiency, and 3.2.4 Increasing efficiency. Each one has a worked solution and a mark scheme showing where the marks go.