The table shows the time taken by four different cranes, A, B, C, and D, to lift loads to the roof of a building. All four cranes lift their respective loads through the same vertical height.
| Crane | Mass of load (kg) | Time taken (s) |
|---|---|---|
| A | 1200 | 20 |
| B | 1200 | 30 |
| C | 1800 | 20 |
| D | 1800 | 30 |
Which crane has the greatest power output?
A
B
C
D
95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.