Which row about the change of energy in the energy store must be correct?
| Process | Energy store | Change of energy in store | |
|---|---|---|---|
| A | A car braking to a halt on a level road | Thermal energy of the brakes | Increases |
| B | A car braking to a halt on a level road | Kinetic energy of the car | Increases |
| C | A battery-powered drone climbing vertically at a constant speed | Chemical energy of the drone's battery | Increases |
| D | A battery-powered drone climbing vertically at a constant speed | Kinetic energy of the drone | Decreases |
Row A
Row B
Row C
Row D
533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.