Four cranes are used to lift cargo packages. The table shows the work done by each crane and the time taken to complete the lift.
| Crane | Work done by crane / J\text{J}J | Time taken / s\text{s}s |
|---|---|---|
| A | 120 000120\,000120000 | 30 |
| B | 120 000120\,000120000 | 60 |
| C | 240 000240\,000240000 | 30 |
| D | 240 000240\,000240000 | 60 |
Which crane produces the most power?
Crane A
Crane B
Crane C
Crane 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.